diff --git a/src/Dodge/Combine/Module.hs b/src/Dodge/Combine/Module.hs
index bd288be44..0e4fba0fa 100644
--- a/src/Dodge/Combine/Module.hs
+++ b/src/Dodge/Combine/Module.hs
@@ -10,8 +10,8 @@ import LensHelp
 moduleModification :: ItemModuleType -> Item -> Item
 moduleModification imt = case imt of
     EMPTYMODULE -> id
-    DRUMMAG -> itUse . heldConsumption . laMax .~ 45
-    BELTMAG -> itUse . heldConsumption . laMax .~ 150
+    DRUMMAG -> itUse . heldConsumption . laSource . _InternalSource . iaMax .~ 45
+    BELTMAG -> itUse . heldConsumption . laSource . _InternalSource . iaMax .~ 150
     MAGNETMAG -> itUse . heldDelay . rateMax .~ 4
     BULPAY BulFlak -> (itUse . heldConsumption . laAmmoType . amBullet . buSpawn .~ BulFlak)
         . (itUse . heldConsumption . laAmmoType . amBullet . buTimer .~ 3)
@@ -33,7 +33,7 @@ moduleModification imt = case imt of
             . (itParams . subParams ?~ teslaParams)
     WEPTELE -> makeDirectedTele
     LAUNCHHOME -> itUse . heldConsumption . laAmmoType . amPjCreation .~ CreateTrackingShell
-    EXTRABATTERY -> itUse . heldConsumption . laMax +~ 1000
+    EXTRABATTERY -> itUse . heldConsumption . laSource . _InternalSource . iaMax +~ 1000
     ATTACHTORCH -> id
   where
     makeDirectedTele it =
diff --git a/src/Dodge/Creature/Impulse/UseItem.hs b/src/Dodge/Creature/Impulse/UseItem.hs
index 98433f090..daef4f8a4 100644
--- a/src/Dodge/Creature/Impulse/UseItem.hs
+++ b/src/Dodge/Creature/Impulse/UseItem.hs
@@ -37,7 +37,8 @@ useItemRightClick cr' w = fromMaybe (f w) $ do
 itemEffect :: Creature -> Item -> World -> World
 itemEffect cr it w = case it ^. itUse of
     HeldUse{_heldUse = eff, _heldMods = usemods} ->
-        hammerTest $ tryReload cr it (_input w) $ foldl' (&) (useHeld eff) (useMod usemods) it cr
+        --hammerTest $ tryReload cr it (_input w) $ foldl' (&) (useHeld eff) (useMod usemods) it cr
+        hammerTest $ foldl' (&) (useHeld eff) (useMod usemods) it cr
     LeftUse{} -> doequipmentchange
     EquipUse{} -> doequipmentchange
     -- ConsumeUse will cause problems if the item is not selected
@@ -66,9 +67,9 @@ tryReload cr it theinput f
     cid = _crID cr
 
 itNeedsLoading :: Item -> Bool
-itNeedsLoading it = _laLoaded ic == 0 || not (_laPrimed ic)
-  where
-    ic = _heldConsumption (_itUse it)
+itNeedsLoading it = fromMaybe False $ do
+    internalammo <- it ^? itUse . heldConsumption . laSource . _InternalSource
+    return $ _iaLoaded internalammo == 0 || not (_iaPrimed internalammo)
 
 toggleEquipmentAt :: Int -> Creature -> World -> World
 toggleEquipmentAt invid cr w = case getEquipmentAllocation w of
@@ -119,10 +120,16 @@ useItemLeftClick cr w = fromMaybe w $ do
     invid <- cr ^? crManipulation . manObject . inInventory . ispItem
     ituse <- cr ^? crInv . ix invid . itUse
     case ituse of
+        HeldUse{} -> return $ hammerTest (cWorld . lWorld . creatures . ix (_crID cr) %~ crToggleReloading)
         ConsumeUse{} -> return $ useItemRightClick cr w
         EquipUse{} -> return $ useItemRightClick cr w
         LeftUse{} -> return $ useItemRightClick cr w
         _ -> Nothing
+  where
+    hammerTest f = case _crHammerPosition cr of
+        HammerUp -> f w
+        _ -> w & setuhamdown
+    setuhamdown = cWorld . lWorld . creatures . ix (_crID cr) . crHammerPosition .~ HammerDown
 
 useItemHotkey :: Int -> Int -> World -> World
 useItemHotkey crid invid w = fromMaybe w $ do
diff --git a/src/Dodge/Creature/ReaderUpdate.hs b/src/Dodge/Creature/ReaderUpdate.hs
index 539cbf0dd..bef32efed 100644
--- a/src/Dodge/Creature/ReaderUpdate.hs
+++ b/src/Dodge/Creature/ReaderUpdate.hs
@@ -174,7 +174,7 @@ reloadOverride :: Creature -> Creature
 reloadOverride cr = fromMaybe cr $ do
     guard $ cr ^. crStance . posture == Aiming
     itRef <- cr ^? crManipulation . manObject . inInventory . ispItem
-    guard $ cr ^? crInv . ix itRef . itUse . heldConsumption . laLoaded == Just 0
+    guard $ cr ^? crInv . ix itRef . itUse . heldConsumption . laSource . _InternalSource . iaLoaded == Just 0
     return $ cr & crActionPlan . apStrategy .~ StrategyActions Reload reloadActions
   where
     reloadActions =
diff --git a/src/Dodge/Creature/Test.hs b/src/Dodge/Creature/Test.hs
index 6e7535ad6..8c018951f 100644
--- a/src/Dodge/Creature/Test.hs
+++ b/src/Dodge/Creature/Test.hs
@@ -40,8 +40,13 @@ crIsReloading cr = case cr ^? crManipulation . manObject . inInventory . iselAct
 crWeaponReady :: Creature -> Bool
 crWeaponReady cr = fromMaybe False $ do
     i <- cr ^? crManipulation . manObject . inInventory . ispItem
-    ic <- cr ^? crInv . ix i . itUse . heldConsumption
-    return (_laLoaded ic > 0 && _laPrimed ic)
+    asource <- cr ^? crInv . ix i . itUse . heldConsumption . laSource
+    case asource of
+        InternalSource ia -> return (_iaLoaded ia > 0 && _iaPrimed ia)
+        ExternalSource ea -> do
+            srcid <- ea ^? _Just
+            x <- cr ^? crInv . ix srcid . itUse . equipEffect . eeUse . euseAmmoAmount
+            return (x > 0)
 
 crCanSeeCr :: Creature -> (World, Creature) -> Bool
 crCanSeeCr tcr (w, cr) = hasLOS (_crPos cr) (_crPos tcr) w
diff --git a/src/Dodge/Data/Item/Combine.hs b/src/Dodge/Data/Item/Combine.hs
index 8960b64da..36ec51af7 100644
--- a/src/Dodge/Data/Item/Combine.hs
+++ b/src/Dodge/Data/Item/Combine.hs
@@ -115,6 +115,7 @@ data EquipItemType
 
     | JETPACK
     | FUELPACK
+    | BULLETBELTPACK
     | BATTERYPACK
 
     | AUTODETECTOR Detector
diff --git a/src/Dodge/Data/Item/HeldUse.hs b/src/Dodge/Data/Item/HeldUse.hs
index 3e5982343..350c3d0cb 100644
--- a/src/Dodge/Data/Item/HeldUse.hs
+++ b/src/Dodge/Data/Item/HeldUse.hs
@@ -5,6 +5,7 @@
 
 module Dodge.Data.Item.HeldUse where
 
+import Dodge.Data.Item.Use.Consumption.Ammo
 import Data.Aeson
 import Data.Aeson.TH
 import Dodge.Data.CamouflageStatus
@@ -44,6 +45,13 @@ data Euse
     | EonWristShield
     | EoffWristShield
     | EFuelSource {_euseFuelAmount :: Int, _euseFuelMax :: Int}
+    | EBatterySource {_euseBatteryAmount :: Int, _euseBatteryMax :: Int}
+    | EAmmoSource 
+        { _euseAmmoAmount :: Int
+        , _euseAmmoMax :: Int
+        , _euseAmmoSourceType :: AmmoSourceType
+        , _euseAmmoLink :: Maybe Int
+        }
     deriving (Eq, Ord, Show, Read) --Generic, Flat)
 
 data Luse
diff --git a/src/Dodge/Data/Item/Use/Consumption.hs b/src/Dodge/Data/Item/Use/Consumption.hs
index fdfdbb1f8..8e43c6818 100644
--- a/src/Dodge/Data/Item/Use/Consumption.hs
+++ b/src/Dodge/Data/Item/Use/Consumption.hs
@@ -20,17 +20,26 @@ import Dodge.Data.Item.Use.Consumption.LoadAction
 data HeldConsumption
     = LoadableAmmo
         { _laAmmoType :: AmmoType
-        , _laMax :: Int
-        , _laLoaded :: Int
-        , _laPrimed :: Bool
-        , _laCycle :: [LoadAction]
-        , _laProgress :: Maybe [LoadAction]
+        , _laSource :: AmmoSource
+        , _laSourceType :: AmmoSourceType
         }
-    | ChargingAmmo { _caCharge :: Int 
-        , _caMax :: Int }
     | NoConsumption
     deriving (Eq, Show, Read) --Generic, Flat)
 
+data AmmoSource 
+    = InternalSource InternalAmmo
+    | ExternalSource { _eaAttachment :: Maybe Int }
+    deriving (Eq, Show, Read) --Generic, Flat)
+
+data InternalAmmo = InternalAmmo
+        { _iaMax :: Int
+        , _iaLoaded :: Int
+        , _iaPrimed :: Bool
+        , _iaCycle :: [LoadAction]
+        , _iaProgress :: Maybe [LoadAction]
+        }
+    deriving (Eq, Show, Read) --Generic, Flat)
+
 data LeftConsumption
     = AutoRecharging
         { _arLoaded :: Int
@@ -53,6 +62,10 @@ newtype ItAmount = ItAmount {_getItAmount :: Int}
 makeLenses ''HeldConsumption
 makeLenses ''LeftConsumption
 makeLenses ''ItAmount
+makePrisms ''AmmoSource
+makeLenses ''InternalAmmo
+deriveJSON defaultOptions ''InternalAmmo
+deriveJSON defaultOptions ''AmmoSource
 deriveJSON defaultOptions ''HeldConsumption
 deriveJSON defaultOptions ''LeftConsumption
 deriveJSON defaultOptions ''ItAmount
diff --git a/src/Dodge/Data/Item/Use/Consumption/Ammo.hs b/src/Dodge/Data/Item/Use/Consumption/Ammo.hs
index a3774c667..9798a1e20 100644
--- a/src/Dodge/Data/Item/Use/Consumption/Ammo.hs
+++ b/src/Dodge/Data/Item/Use/Consumption/Ammo.hs
@@ -34,6 +34,13 @@ data ProjectileUpdate
     | PJRemoteShellCollisionCheck
     deriving (Show, Eq, Ord, Read) --Generic, Flat)
 
+data AmmoSourceType
+    = BulletSource
+    | ChargeSource
+    | ChemfuelSource
+    | BombSource
+    deriving (Eq, Ord, Show, Read) --Generic, Flat)
+
 data AmmoType
     = ProjectileAmmo
         { _amPayload :: Payload
@@ -71,3 +78,4 @@ deriveJSON defaultOptions ''ProjectileUpdate
 deriveJSON defaultOptions ''GasCreate
 deriveJSON defaultOptions ''ForceFieldType
 deriveJSON defaultOptions ''AmmoType
+deriveJSON defaultOptions ''AmmoSourceType
diff --git a/src/Dodge/Default/Item/Use/Consumption.hs b/src/Dodge/Default/Item/Use/Consumption.hs
index b3705f398..81d6a6114 100644
--- a/src/Dodge/Default/Item/Use/Consumption.hs
+++ b/src/Dodge/Default/Item/Use/Consumption.hs
@@ -1,18 +1,23 @@
 module Dodge.Default.Item.Use.Consumption where
+
+import Control.Lens
+import Dodge.Data.Item.Use.Consumption
 import Dodge.Item.Weapon.Bullet
 import Dodge.Reloading.Action
-import Dodge.Data.Item.Use.Consumption
-import Control.Lens
 
 defaultLoadable :: HeldConsumption
 defaultLoadable =
     LoadableAmmo
         { _laAmmoType = GenericAmmo
-        , _laMax = 15
-        , _laLoaded = 0
-        , _laPrimed = True
-        , _laCycle = [loadEject 10, loadInsert 10, loadPrime 10]
-        , _laProgress = Nothing
+        , _laSource =
+            InternalSource InternalAmmo
+                { _iaMax = 15
+                , _iaLoaded = 0
+                , _iaPrimed = True
+                , _iaCycle = [loadEject 10, loadInsert 10, loadPrime 10]
+                , _iaProgress = Nothing
+                }
+        , _laSourceType = BulletSource
         }
 
 defaultBulletLoadable :: HeldConsumption
diff --git a/src/Dodge/Euse.hs b/src/Dodge/Euse.hs
index f248bbe8e..7ea8d01d0 100644
--- a/src/Dodge/Euse.hs
+++ b/src/Dodge/Euse.hs
@@ -33,6 +33,14 @@ useE eo = case eo of
     EoffWristShield -> onRemoveWristShield
     EFuelSource 0 _ -> const . const id
     EFuelSource{} -> trySiphonFuel
+    EBatterySource{} -> tryChargeBattery
+    EAmmoSource{} -> tryAttachBulletBelt
+
+tryAttachBulletBelt :: Item -> Creature -> World -> World
+tryAttachBulletBelt _ _ w = w
+
+tryChargeBattery :: Item -> Creature -> World -> World
+tryChargeBattery _ _ w = w
 
 trySiphonFuel :: Item -> Creature -> World -> World
 trySiphonFuel itm cr w = fromMaybe w $ do
@@ -42,12 +50,12 @@ trySiphonFuel itm cr w = fromMaybe w $ do
     la <- cr ^? crInv . ix hix . itUse . heldConsumption
     atype <- la ^? laAmmoType
     guard (isGas atype)
-    amax <- la ^? laMax
-    acur <- la ^? laLoaded
+    amax <- la ^? laSource . _InternalSource . iaMax
+    acur <- la ^? laSource . _InternalSource . iaLoaded
     guard (amax > acur)
     return $
         w & cWorld . lWorld . creatures . ix (_crID cr) . crInv
-            %~ ( (ix hix . itUse . heldConsumption . laLoaded +~ 1)
+            %~ ( (ix hix . itUse . heldConsumption . laSource . _InternalSource . iaLoaded +~ 1)
                     . (ix eix . itUse . equipEffect . eeUse . euseFuelAmount -~ 1)
                )
 
diff --git a/src/Dodge/HeldUse.hs b/src/Dodge/HeldUse.hs
index 68cb42c5d..b184beaa1 100644
--- a/src/Dodge/HeldUse.hs
+++ b/src/Dodge/HeldUse.hs
@@ -118,7 +118,7 @@ useMod hm = case hm of
         , ammoHammerCheck
         ]
     AmmoCheckMod -> [ammoCheckI]
-    AmmoUseCheckMod -> [ammoUseCheck]
+    AmmoUseCheckMod -> [useAmmoAmount 1,useTimeCheck, ammoCheckI]
     AmmoHammerTimeUseOneMod ->
         [ useAmmoAmount 1
         , useTimeCheck
@@ -465,13 +465,11 @@ fireRemoteShell it cr w =
 
 caneStickSoundChoice :: Item -> SoundID
 caneStickSoundChoice it
-    | _laLoaded (_heldConsumption (_itUse it)) < 2 = tap3S
+    | (it ^?! itUse . heldConsumption . laSource . _InternalSource . iaLoaded) < 2 = tap3S
     | otherwise = shotgunS
 
 bangStickSoundChoice :: Item -> SoundID
-bangStickSoundChoice it
-    | _laLoaded (_heldConsumption (_itUse it)) < 2 = tap3S
-    | otherwise = shotgunS
+bangStickSoundChoice = caneStickSoundChoice
 
 coneRandItemUpdate :: State StdGen (Item -> Item)
 coneRandItemUpdate = do
diff --git a/src/Dodge/Inventory/SelectionList.hs b/src/Dodge/Inventory/SelectionList.hs
index cac081323..6a2226dac 100644
--- a/src/Dodge/Inventory/SelectionList.hs
+++ b/src/Dodge/Inventory/SelectionList.hs
@@ -3,6 +3,7 @@ module Dodge.Inventory.SelectionList (
     closeObjectToSelectionItem,
 ) where
 
+import Padding
 import Dodge.Equipment.Text
 import Dodge.Data.SelectionList
 import Dodge.Data.World
@@ -23,7 +24,7 @@ invSelectionItem cr i it =
         }
   where
     anyhotkey = maybe [] ((' ':) .hotkeyToString) (cr ^? crInvHotkeys . ix i)
-    anyequippos = maybe [] ((' ':) . eqPosText) (cr ^? crInvEquipped . ix i)
+    anyequippos = maybe [] (rightPad 8 ' ' . (' ':) . eqPosText) (cr ^? crInvEquipped . ix i)
     col = _itInvColor it
     pics = take (itSlotsTaken it) . (++ replicate 10 "*") $ case _itCurseStatus it of
         UndroppableIdentified -> itemDisplay it
diff --git a/src/Dodge/Item.hs b/src/Dodge/Item.hs
index 796243cd8..1da6ddc73 100644
--- a/src/Dodge/Item.hs
+++ b/src/Dodge/Item.hs
@@ -46,6 +46,7 @@ itemFromEquipType et = case et of
     JETPACK -> jetPack
     BATTERYPACK -> batteryPack
     FUELPACK -> fuelPack
+    BULLETBELTPACK -> bulletBeltPack
     AUTODETECTOR d -> autoDetector d
 
 itemFromLeftType :: LeftItemType -> Item
diff --git a/src/Dodge/Item/Display.hs b/src/Dodge/Item/Display.hs
index 4c40d0022..55ac494f4 100644
--- a/src/Dodge/Item/Display.hs
+++ b/src/Dodge/Item/Display.hs
@@ -53,7 +53,7 @@ selectedItemDisplay cr it = itemDisplayWithNumber (showSelectedConsumption cr (_
 -- | Displays the item name, ammo if loaded, and any selected '_itCharMode'.
 showSelectedConsumption :: Creature -> ItemUse -> String
 showSelectedConsumption cr iu = case iu of
-    HeldUse{} -> showReloadProgress cr (_heldConsumption iu)
+    HeldUse{} -> showReloadProgress cr (iu ^?! heldConsumption . laSource)
     LeftUse{} -> showAutoRechargeProgress (_leftConsumption iu)
     EquipUse{} -> ""
     _ -> show $ iu ^?! useAmount . getItAmount -- partial, be careful if adding new data constructors
@@ -65,12 +65,14 @@ showAutoRechargeProgress lc = case lc of
         | otherwise -> show (_arLoaded lc)
     ChargeableAmmo{} -> show (_wpCharge lc)
 
-showReloadProgress :: Creature -> HeldConsumption -> String
+showReloadProgress :: Creature -> AmmoSource -> String
 showReloadProgress cr ic = case cr ^? crManipulation . manObject . inInventory . iselAction of
-    Just (ReloadAction i la) -> show i ++ showLoadActionType la (_laLoaded ic)
-    _ -> case ic ^? laProgress . _Just . ix 0 of
-        Nothing -> show $ _laLoaded ic
-        Just la -> show (_actionTime la) ++ showLoadActionType la (_laLoaded ic)
+    Just (ReloadAction i la) -> show i ++ showLoadActionType la ic
+    _ -> case ic of
+        InternalSource ia -> case ia ^? iaProgress . _Just . ix 0 of
+            Nothing -> show $ ia ^. iaLoaded
+            Just la -> show (_actionTime la) ++ showLoadActionType la ic
+        _ -> "X"
 
 showConsumption :: ItemUse -> String
 showConsumption iu = case iu of
@@ -85,16 +87,21 @@ showEUseNumber ee = case _eeUse ee of
     _ -> ""
 
 showReloadProgress' :: HeldConsumption -> String
-showReloadProgress' ic = case ic ^? laProgress . _Just . ix 0 of
-    Nothing -> show $ _laLoaded ic
-    Just la -> show (_actionTime la) ++ showLoadActionType la (_laLoaded ic)
+showReloadProgress' ic = case ic ^? laSource . _InternalSource . iaProgress . _Just . ix 0 of
+    Nothing -> fromMaybe "X" $ do
+        x <- ic ^? laSource . _InternalSource .  iaLoaded
+        return $ show x
+    Just la -> show (_actionTime la) ++ showLoadActionType la (_laSource ic)
 
-showLoadActionType :: LoadAction -> Int -> String
-showLoadActionType la x = case la of
+showLoadActionType :: LoadAction -> AmmoSource -> String
+showLoadActionType la as = case la of
     LoadEject{} -> "E"
     LoadInsert{} -> "L"
-    LoadAdd{} -> "A" ++ show x
+    LoadAdd{} -> "A" ++ x
     LoadPrime{} -> "P"
+  where
+    x = maybe "" show $ as ^? _InternalSource . iaLoaded
+        
 
 maybeWarmupStatus :: Item -> Maybe String
 maybeWarmupStatus it = case it ^? itUse . heldDelay . warmMax of
diff --git a/src/Dodge/Item/Draw/SPic.hs b/src/Dodge/Item/Draw/SPic.hs
index 789263680..596640885 100644
--- a/src/Dodge/Item/Draw/SPic.hs
+++ b/src/Dodge/Item/Draw/SPic.hs
@@ -50,6 +50,8 @@ equipItemSPic et _ = case et of
     BATTERYPACK -> noPic $ colorSH blue backpackShape
     FUELPACK ->
         noPic $ colorSH yellow $ upperPrismPolyMT 10 $ polyCirc 3 5
+    BULLETBELTPACK ->
+        noPic $ colorSH green backpackShape
     AUTODETECTOR dt -> noPic (colorSH (detectorColor dt) $ upperPrismPolySU 3 $ rectWH 2 2)
 
 backpackShape :: Shape
@@ -249,7 +251,7 @@ baseRifleShape = colorSH red $ xCylinderST 3 25
 
 addBullets :: Item -> Shape
 addBullets itm = fromMaybe mempty $ do
-    x <- itm ^? itUse . heldConsumption . laLoaded
+    x <- itm ^? itUse . heldConsumption . laSource . _InternalSource . iaLoaded
     hit <- itm ^? itType . iyBase . ibtHeld
     ps <- fmap (take x) $ ammoPosition itm hit ^? amPosDirs
     return $ foldMap (uncurry (drawBullet itm)) ps
@@ -315,7 +317,7 @@ makeTinClip it =
             bulletEffectColor
             (it ^? itUse . heldConsumption . laAmmoType . amBullet . buEffect)
     y = fromIntegral y' * 0.3
-    y' = fromMaybe 0 $ it ^? itUse . heldConsumption . laLoaded
+    y' = fromMaybe 0 $ it ^? itUse . heldConsumption . laSource . _InternalSource . iaLoaded
     tips = fromMaybe mempty $ do
         ebt <- it ^? itUse . heldConsumption . laAmmoType . amBullet . buSpawn
         return $
@@ -371,12 +373,13 @@ volleyGunShape i =
         )
 
 miniGunXPictItem :: Int -> Item -> SPic
-miniGunXPictItem i it = miniGunXPict i spin (_laLoaded $ _heldConsumption (_itUse it))
+miniGunXPictItem i it = miniGunXPict i spin 
   where
-    spin = (-10) * _laLoaded (_heldConsumption (_itUse it)) + _warmTime (_heldDelay $ _itUse it)
+    spin = (-10) -- * _iaLoaded (_laSource (_heldConsumption (_itUse it))) 
+                + _warmTime (_heldDelay $ _itUse it)
 
-miniGunXPict :: Int -> Int -> Int -> SPic
-miniGunXPict i spin _ =
+miniGunXPict :: Int -> Int -> SPic
+miniGunXPict i spin =
     ( colorSH red (rotateSHx a barrels)
         <> baseRifleShape
     , --        <> clip (-1) 0
diff --git a/src/Dodge/Item/Equipment.hs b/src/Dodge/Item/Equipment.hs
index a08c901a0..c264b5d52 100644
--- a/src/Dodge/Item/Equipment.hs
+++ b/src/Dodge/Item/Equipment.hs
@@ -12,6 +12,7 @@ module Dodge.Item.Equipment (
     jetPack,
     fuelPack,
     batteryPack,
+    bulletBeltPack,
     speedLegs,
     jumpLegs,
     flameShield,
@@ -59,6 +60,7 @@ batteryPack =
         & itUse . equipEffect . eeSite .~ GoesOnBack
         & itType . iyBase .~ EQUIP BATTERYPACK
         & itUse . equipEffect . eeAttachPos .~ V3 (-8) 0 10
+        & itUse . equipEffect . eeUse .~ EBatterySource 10000 10000
 
 fuelPack :: Item
 fuelPack =
@@ -68,6 +70,14 @@ fuelPack =
         & itUse . equipEffect . eeAttachPos .~ V3 (-9) 0 10
         & itUse . equipEffect . eeUse .~ EFuelSource 10000 10000
 
+bulletBeltPack :: Item
+bulletBeltPack =
+    defaultEquipment
+        & itUse . equipEffect . eeSite .~ GoesOnBack
+        & itType . iyBase .~ EQUIP BULLETBELTPACK
+        & itUse . equipEffect . eeAttachPos .~ V3 (-9) 0 10
+        & itUse . equipEffect . eeUse .~ EAmmoSource 10000 10000 BulletSource Nothing
+
 jetPack :: Item
 jetPack =
     defaultEquipment
diff --git a/src/Dodge/Item/Held/BatteryGuns.hs b/src/Dodge/Item/Held/BatteryGuns.hs
index 6b4e57482..e18a84b84 100644
--- a/src/Dodge/Item/Held/BatteryGuns.hs
+++ b/src/Dodge/Item/Held/BatteryGuns.hs
@@ -20,8 +20,8 @@ sparkGun =
 teslaGun :: Item
 teslaGun =
     defaultBatteryGun
-        & itUse . heldConsumption . laMax .~ 200
-        & itUse . heldConsumption . laCycle .~ [loadEject 10, loadInsert 10, loadPrime 60]
+        & itUse . heldConsumption . laSource . _InternalSource . iaMax .~ 200
+        & itUse . heldConsumption . laSource . _InternalSource . iaCycle .~ [loadEject 10, loadInsert 10, loadPrime 60]
         & itDimension . dimRad .~ 9
         & itDimension . dimCenter .~ V3 4 0 0
         & itParams .~ teslaParams
@@ -39,8 +39,8 @@ lasGun =
     defaultAutoBatteryGun
         & itUse . heldConsumption
             .~ ( defaultLoadable
-                    & laMax .~ 200
-                    & laCycle .~ [loadEject 10, loadInsert 10, loadPrime 60]
+                    & laSource . _InternalSource . iaMax .~ 200
+                    & laSource . _InternalSource . iaCycle .~ [loadEject 10, loadInsert 10, loadPrime 60]
                )
         & itParams
             .~ Refracting
@@ -79,8 +79,8 @@ tractorGun =
     lasGun
         & itUse . heldConsumption
             .~ ( defaultLoadable
-                    & laMax .~ 10000
-                    & laCycle .~ [loadEject 10, loadInsert 10, loadPrime 60]
+                    & laSource . _InternalSource . iaMax .~ 10000
+                    & laSource . _InternalSource . iaCycle .~ [loadEject 10, loadInsert 10, loadPrime 60]
                )
         & itParams .~ Attracting{_attractionPower = 1}
         & itTweaks
@@ -136,7 +136,7 @@ lasCircle =
         & itType . iyBase .~ HELD LASCIRCLE
         & itParams . lasColor .~ orange
         & itParams . lasDamage .~ 2
-        & itUse . heldConsumption . laMax .~ 10000
+        & itUse . heldConsumption . laSource . _InternalSource . iaMax .~ 10000
         & itUse . heldUse .~ HeldLaser --shootLaser
         & itUse . heldDelay .~ NoDelay
         & itUse . heldUse .~ HeldCircleLaser --circleLaser
diff --git a/src/Dodge/Item/Held/Cane.hs b/src/Dodge/Item/Held/Cane.hs
index 8cb5548f1..c75367ab6 100644
--- a/src/Dodge/Item/Held/Cane.hs
+++ b/src/Dodge/Item/Held/Cane.hs
@@ -36,8 +36,8 @@ defaultBangCane =
         & itUse . heldAim . aimStance .~ OneHand
         & itUse . heldAim . aimHandlePos .~ 5
         & itUse . heldAim . aimMuzPos .~ 15
-        & itUse . heldConsumption . laMax .~ 1
-        & itUse . heldConsumption . laCycle .~ [loadPartialInsert 10 1]
+        & itUse . heldConsumption . laSource . _InternalSource . iaMax .~ 1
+        & itUse . heldConsumption . laSource . _InternalSource . iaCycle .~ [loadPartialInsert 10 1]
 
 volleyGun :: Int -> Item
 volleyGun i =
@@ -50,7 +50,7 @@ volleyGun i =
         & itUse . heldAim . aimZoom .~ defaultItZoom{_izFac = 1.5}
         & itUse . heldAim . aimHandlePos .~ 5
         & itUse . heldAim . aimMuzPos .~ 15
-        & itUse . heldConsumption . laMax .~ i
+        & itUse . heldConsumption . laSource . _InternalSource . iaMax .~ i
         & itParams
             .~ BulletShooter
                 { _muzVel = 0.8
@@ -78,8 +78,8 @@ rifle =
     defaultBangCane
         & itUse . heldAim . aimStance .~ TwoHandTwist
         & itType . iyBase .~ HELD RIFLE
-        & itUse . heldConsumption . laMax .~ 1
-        & itUse . heldConsumption . laCycle .~ [loadEject 5, loadInsert 5, loadPrime 5]
+        & itUse . heldConsumption . laSource . _InternalSource . iaMax .~ 1
+        & itUse . heldConsumption . laSource . _InternalSource . iaCycle .~ [loadEject 5, loadInsert 5, loadPrime 5]
         & itUse . heldAim . aimWeight .~ 6
         & itUse . heldAim . aimRange .~ 1
         & itUse . heldAim . aimZoom .~ defaultItZoom{_izFac = 1.5}
@@ -90,8 +90,8 @@ repeater =
     rifle
         & itType . iyModules . at ModRifleMag ?~ EMPTYMODULE
         & itType . iyBase .~ HELD REPEATER
-        & itUse . heldConsumption . laCycle .~ [loadEject 20, loadInsert 20, loadPrime 20]
-        & itUse . heldConsumption . laMax .~ 15
+        & itUse . heldConsumption . laSource . _InternalSource . iaCycle .~ [loadEject 20, loadInsert 20, loadPrime 20]
+        & itUse . heldConsumption . laSource . _InternalSource . iaMax .~ 15
 
 autoRifle :: Item
 autoRifle =
@@ -121,11 +121,12 @@ miniGunUse i =
         & heldAim . aimZoom .~ defaultItZoom{_izFac = 1.5}
         & heldAim . aimHandlePos .~ 5
         & heldConsumption
-            .~ defaultBulletLoadable
-                { _laMax = 1500
-                , _laLoaded = 1500
-                }
-        & heldConsumption . laCycle .~ [loadEject 40, loadInsert 40, loadPrime 40]
+            .~ (defaultBulletLoadable & laSource .~ ExternalSource Nothing)
+                --(defaultBulletLoadable
+                --    & laSource . iaMax .~ 1500
+                --    & laSource . iaLoaded .~ 1500
+                --)
+        & heldConsumption . laSource . _InternalSource . iaCycle .~ [loadEject 40, loadInsert 40, loadPrime 40]
 
 miniGunX :: Int -> Item
 miniGunX i =
diff --git a/src/Dodge/Item/Held/Cone.hs b/src/Dodge/Item/Held/Cone.hs
index 2fe45e371..d37ead95f 100644
--- a/src/Dodge/Item/Held/Cone.hs
+++ b/src/Dodge/Item/Held/Cone.hs
@@ -27,14 +27,14 @@ bangCone =
         & itUse . heldAim . aimHandlePos .~ 5
         & itUse . heldAim . aimMuzPos .~ 15
         & itType . iyBase .~ HELD BANGCONE
-        & itUse . heldConsumption . laMax .~ 5
-        & itUse . heldConsumption . laCycle .~ [loadEject 5, loadInsert 20, loadPrime 5]
+        & itUse . heldConsumption . laSource . _InternalSource . iaMax .~ 5
+        & itUse . heldConsumption . laSource . _InternalSource . iaCycle .~ [loadEject 5, loadInsert 20, loadPrime 5]
 
 blunderbuss :: Item
 blunderbuss =
     bangCone
-        & itUse . heldConsumption . laMax .~ 25
-        & itUse . heldConsumption . laCycle .~ [loadEject 5, loadInsert 30, loadPrime 5]
+        & itUse . heldConsumption . laSource . _InternalSource . iaMax .~ 25
+        & itUse . heldConsumption . laSource . _InternalSource . iaCycle .~ [loadEject 5, loadInsert 30, loadPrime 5]
         & itUse . heldAim . aimStance .~ TwoHandTwist
         & itUse . heldAim . aimWeight .~ 6
         & itUse . heldAim . aimHandlePos .~ 5
@@ -45,8 +45,8 @@ grapeCannon :: Int -> Item
 grapeCannon i =
     blunderbuss
         & itType . iyBase .~ HELD (GRAPECANNON i)
-        & itUse . heldConsumption . laMax .~ 25 + 25 * i
-        & itUse . heldConsumption . laCycle .~ [loadEject 5, loadInsert (30 + i * 10), loadPrime 5]
+        & itUse . heldConsumption . laSource . _InternalSource . iaMax .~ 25 + 25 * i
+        & itUse . heldConsumption . laSource . _InternalSource . iaCycle .~ [loadEject 5, loadInsert (30 + i * 10), loadPrime 5]
         & itParams . recoil .~ (150 + fromIntegral i * 50)
         & itParams . torqueAfter .~ (0.1 + 0.2 * fromIntegral i)
         & itParams . randomOffset .~ (12 + 4 * fromIntegral i)
diff --git a/src/Dodge/Item/Held/Launcher.hs b/src/Dodge/Item/Held/Launcher.hs
index cbfe65254..eace069f2 100644
--- a/src/Dodge/Item/Held/Launcher.hs
+++ b/src/Dodge/Item/Held/Launcher.hs
@@ -38,9 +38,9 @@ launcher =
                 , _amPjDraw = DrawShell
                 , _amPjCreation = CreateShell
                 }
-        & itUse . heldConsumption . laMax .~ 1
-        & itUse . heldConsumption . laLoaded .~ 1
-        & itUse . heldConsumption . laCycle .~ [loadEject 30, loadInsert 30, loadPrime 10]
+        & itUse . heldConsumption . laSource . _InternalSource . iaMax .~ 1
+        & itUse . heldConsumption . laSource . _InternalSource . iaLoaded .~ 1
+        & itUse . heldConsumption . laSource . _InternalSource . iaCycle .~ [loadEject 30, loadInsert 30, loadPrime 10]
         & itType . iyBase .~ HELD LAUNCHER
         & itType . iyModules . at ModLauncherHoming ?~ EMPTYMODULE
 
@@ -48,8 +48,8 @@ launcherX :: Int -> Item
 launcherX i =
     launcher
         & itType . iyBase .~ HELD (LAUNCHERX i)
-        & itUse . heldConsumption . laMax .~ i
-        & itUse . heldConsumption . laLoaded .~ i
+        & itUse . heldConsumption . laSource . _InternalSource . iaMax .~ i
+        & itUse . heldConsumption . laSource . _InternalSource . iaLoaded .~ i
         & itUse . heldUse .~ HeldPJCreationX i
         & itUse . heldMods .~ LauncherXMod i
 
diff --git a/src/Dodge/Item/Held/Rod.hs b/src/Dodge/Item/Held/Rod.hs
index 54d4d2542..8969b4e81 100644
--- a/src/Dodge/Item/Held/Rod.hs
+++ b/src/Dodge/Item/Held/Rod.hs
@@ -31,8 +31,8 @@ bangRod =
         & itUse . heldMods .~ BangRodMod
         & itDimension . dimRad .~ 12
         & itDimension . dimCenter .~ V3 5 0 0
-        & itUse . heldConsumption . laMax .~ 1
-        & itUse . heldConsumption . laCycle .~ [loadEject 5, loadInsert 10, loadPrime 5]
+        & itUse . heldConsumption . laSource . _InternalSource . iaMax .~ 1
+        & itUse . heldConsumption . laSource . _InternalSource . iaCycle .~ [loadEject 5, loadInsert 10, loadPrime 5]
         & itType . iyBase .~ HELD BANGROD
         & itUse . heldAim . aimWeight .~ 8
         & itUse . heldAim . aimRange .~ 1
@@ -56,7 +56,7 @@ amr :: Item
 amr =
     elephantGun
         & itType . iyBase .~ HELD AMR
-        & itUse . heldConsumption . laMax .~ 15
+        & itUse . heldConsumption . laSource . _InternalSource . iaMax .~ 15
 
 autoAmr :: Item
 autoAmr =
@@ -85,7 +85,7 @@ machineGun =
         & itUse . heldAim . aimStance .~ TwoHandTwist
         & itUse . heldAim . aimZoom .~ defaultItZoom{_izFac = 1.5}
         & itUse . heldDelay .~ VariableRate{_rateMax = 25, _rateMaxMax = 24, _rateMinMax = 7, _rateTime = 0}
-        & itUse . heldConsumption . laMax .~ 100
-        & itUse . heldConsumption . laCycle .~ [loadEject 10, loadInsert 40, loadPrime 10]
+        & itUse . heldConsumption . laSource . _InternalSource . iaMax .~ 100
+        & itUse . heldConsumption . laSource . _InternalSource . iaCycle .~ [loadEject 10, loadInsert 40, loadPrime 10]
         & itInvSize .~ 3
         & itParams . torqueAfter .~ 0.2 -- not sure if this is necessary?
diff --git a/src/Dodge/Item/Held/SprayGuns.hs b/src/Dodge/Item/Held/SprayGuns.hs
index a45c0e262..1828647d8 100644
--- a/src/Dodge/Item/Held/SprayGuns.hs
+++ b/src/Dodge/Item/Held/SprayGuns.hs
@@ -28,8 +28,8 @@ flameSpitter :: Item
 flameSpitter =
     flameThrower
         & itType . iyBase .~ HELD FLAMESPITTER
-        & itUse . heldConsumption . laMax .~ 10
-        & itUse . heldConsumption . laCycle .~ [loadEject 5, loadInsert 10, loadPrime 20]
+        & itUse . heldConsumption . laSource . _InternalSource . iaMax .~ 10
+        & itUse . heldConsumption . laSource . _InternalSource . iaCycle .~ [loadEject 5, loadInsert 10, loadPrime 20]
         & itParams . sprayNozzles . ix 0 . nzPressure .~ 4
         & itUse . heldAim . aimStance .~ OneHand
         & itUse . heldDelay .~ FixedRate{_rateMax = 12, _rateTime = 0}
@@ -96,12 +96,12 @@ flameThrower =
         & itUse . heldAim . aimMuzPos .~ 18
         & itUse . heldConsumption
             .~ ( defaultLoadable
-                    & laMax .~ 250
+                    & laSource . _InternalSource . iaMax .~ 250
                     & laAmmoType
                         .~ GasAmmo
                             { _amString = "FLAME"
                             , _amCreateGas = CreateFlame --aFlame
                             }
-                    & laCycle .~ [loadEject 5, loadInsert 10, loadPrime 20]
+                    & laSource . _InternalSource . iaCycle .~ [loadEject 5, loadInsert 10, loadPrime 20]
                )
         & itType . iyBase .~ HELD FLAMETHROWER
diff --git a/src/Dodge/Item/Held/Stick.hs b/src/Dodge/Item/Held/Stick.hs
index 313ebd393..199d76b30 100644
--- a/src/Dodge/Item/Held/Stick.hs
+++ b/src/Dodge/Item/Held/Stick.hs
@@ -40,8 +40,8 @@ bangStick i =
         & itUse . heldMods .~ BangStickMod
         & itUse . heldAim . aimHandlePos .~ 5
         & itUse . heldAim . aimMuzPos .~ 10
-        & itUse . heldConsumption . laMax .~ i
-        & itUse . heldConsumption . laCycle .~ [loadPartialInsert 10 1]
+        & itUse . heldConsumption . laSource . _InternalSource . iaMax .~ i
+        & itUse . heldConsumption . laSource . _InternalSource . iaCycle .~ [loadPartialInsert 10 1]
 
 baseStickSpread :: Float
 baseStickSpread = 0.2
@@ -51,8 +51,8 @@ revolver =
     pistol
         & itUse . heldConsumption
             .~ ( defaultBulletLoadable
-                    & laMax .~ 6
-                    & laCycle .~ [loadPartialInsert 10 1]
+                    & laSource . _InternalSource . iaMax .~ 6
+                    & laSource . _InternalSource . iaCycle .~ [loadPartialInsert 10 1]
                )
         & itType . iyBase .~ HELD REVOLVER
 
@@ -61,8 +61,8 @@ pistol =
     bangStick 1
         & itUse . heldConsumption
             .~ ( defaultBulletLoadable
-                    & laMax .~ 15
-                    & laCycle .~ [loadEject 5, loadInsert 5, loadPrime 5]
+                    & laSource . _InternalSource . iaMax .~ 15
+                    & laSource . _InternalSource . iaCycle .~ [loadEject 5, loadInsert 5, loadPrime 5]
                )
         & itUse . heldDelay . rateMax .~ 6
         & itUse . heldMods .~ PistolMod
@@ -106,5 +106,5 @@ revolverX i =
     revolver
         & itUse . heldDelay . rateMax .~ 8
         & itUse . heldMods .~ RevolverXMod
-        & itUse . heldConsumption . laMax .~ i * 6
+        & itUse . heldConsumption . laSource . _InternalSource . iaMax .~ i * 6
         & itType . iyBase .~ HELD (REVOLVERX i)
diff --git a/src/Dodge/Item/Info.hs b/src/Dodge/Item/Info.hs
index 97512fffb..fcfcdb4e3 100644
--- a/src/Dodge/Item/Info.hs
+++ b/src/Dodge/Item/Info.hs
@@ -122,6 +122,7 @@ equipInfo eit = case eit of
 
     JETPACK -> "A device enabling flight."
     FUELPACK -> "A liquid container with attached hose."
+    BULLETBELTPACK -> "A container holding a long belt of bullets."
     BATTERYPACK -> "A collection of batteries with a universal adapter."
 
     AUTODETECTOR d -> "A device that detects "++detectorInfo d ++" in an expanding radius. Pulses automatically. "
diff --git a/src/Dodge/Item/Weapon/Drone.hs b/src/Dodge/Item/Weapon/Drone.hs
index 0fa1f93af..01e9afa01 100644
--- a/src/Dodge/Item/Weapon/Drone.hs
+++ b/src/Dodge/Item/Weapon/Drone.hs
@@ -17,7 +17,7 @@ droneLauncher =
         & itUse . heldAim . aimRange .~ 0.5
         & itUse . heldAim . aimStance .~ TwoHandTwist
         & itUse . heldConsumption . laAmmoType .~ DroneAmmo{_amString = "LASDRONE"}
-        & itUse . heldConsumption . laMax .~ 2
+        & itUse . heldConsumption . laSource . _InternalSource . iaMax .~ 2
         & itType . iyBase .~ HELD DRONELAUNCHER
 
 lasDronesPic :: Item -> SPic
diff --git a/src/Dodge/Item/Weapon/FractionLoaded.hs b/src/Dodge/Item/Weapon/FractionLoaded.hs
index dd3aaf537..1ea88be02 100644
--- a/src/Dodge/Item/Weapon/FractionLoaded.hs
+++ b/src/Dodge/Item/Weapon/FractionLoaded.hs
@@ -1,22 +1,26 @@
-module Dodge.Item.Weapon.FractionLoaded
-    ( fractionLoadedAmmo
-    , fractionLoadedAmmo2
-    ) where
+module Dodge.Item.Weapon.FractionLoaded (
+    fractionLoadedAmmo,
+    fractionLoadedAmmo2,
+) where
+
+import Control.Lens
+import Data.Maybe
 import Dodge.Data.Item
 
 ---- this shouldn't really be used
 loadedAmmo :: Item -> Int
-loadedAmmo = _laLoaded . _heldConsumption . _itUse
+loadedAmmo itm = fromMaybe 0 $ itm ^? itUse . heldConsumption . laSource . _InternalSource . iaLoaded
+
 --    | _laTransfer (_itConsumption it) == NoTransfer = _laLoaded (_itConsumption it)
 --    | otherwise = 0
 
 fractionLoadedAmmo :: Item -> Float
-fractionLoadedAmmo it = fromIntegral (loadedAmmo it) / fromIntegral (itmaxammo it)
+fractionLoadedAmmo it = fromIntegral (loadedAmmo it) / fromIntegral itmaxammo
   where
-    itmaxammo = _laMax . _heldConsumption . _itUse
+    itmaxammo = fromMaybe 1 $ it ^? itUse . heldConsumption . laSource . _InternalSource . iaMax
 
 fractionLoadedAmmo2 :: Item -> Float
-fractionLoadedAmmo2 it = 1 - 
-    (1 - fromIntegral (loadedAmmo it) / fromIntegral (itMaxAmmo it))**2
+fractionLoadedAmmo2 it =
+    1 - (1 - fromIntegral (loadedAmmo it) / fromIntegral itmaxammo) ** 2
   where
-    itMaxAmmo = _laMax . _heldConsumption . _itUse
+    itmaxammo = fromMaybe 1 $ it ^? itUse . heldConsumption . laSource . _InternalSource . iaMax
diff --git a/src/Dodge/Item/Weapon/TriggerType.hs b/src/Dodge/Item/Weapon/TriggerType.hs
index ec5a1832b..5a8977b5a 100644
--- a/src/Dodge/Item/Weapon/TriggerType.hs
+++ b/src/Dodge/Item/Weapon/TriggerType.hs
@@ -19,7 +19,6 @@ module Dodge.Item.Weapon.TriggerType (
     withItem,
     withItemUpdate,
     withItemUpdate',
-    ammoUseCheck,
     rateIncAB,
     torqueBefore,
     torqueBeforeAtLeast,
@@ -136,28 +135,33 @@ withThickSmokeI eff item cr w =
 -- TODO  create a trigger that does different things on first and continued
 -- fire.
 ammoCheckI :: ChainEffect
-ammoCheckI eff itm cr w
-    | _laLoaded ic <= 0 || not (_laPrimed ic) = w
-    | otherwise = eff itm cr $ w & cWorld . lWorld . creatures . ix (_crID cr) %~ crCancelReloading
-  where
-    ic = _heldConsumption $ _itUse itm
+ammoCheckI eff itm cr w = case itm ^? itUse . heldConsumption . laSource of
+    Just (InternalSource ia) | _iaLoaded ia <= 0 || not (_iaPrimed ia)
+        -> w
+    Just (ExternalSource ea) | fromMaybe True $ do
+            invid <- ea ^? _Just
+            x <- cr ^? crInv . ix invid . itUse . equipEffect . eeUse . euseAmmoAmount
+            return $ x <= 0
+        -> w
+    _ ->  eff itm cr $ w & cWorld . lWorld . creatures . ix (_crID cr) %~ crCancelReloading
 
 -- combined ammo and hammer check: want to be able to auto-reload even if the
 -- hammer is down?
 ammoHammerCheck :: ChainEffect
-ammoHammerCheck eff it cr w
-    | _laLoaded ic <= 0 || not (_laPrimed ic) = w -- fromMaybe w (startReloadingWeapon cr w)
-    | otherwise = case it ^? itUse . heldHammer of
-        Just HammerUp -> eff it cr $ w & cWorld . lWorld . creatures . ix (_crID cr) %~ crCancelReloading
+ammoHammerCheck eff itm cr w
+    | _iaLoaded ic <= 0 || not (_iaPrimed ic) = w 
+        -- fromMaybe w (startReloadingWeapon cr w)
+    | otherwise = case itm ^? itUse . heldHammer of
+        Just HammerUp -> eff itm cr $ w & cWorld . lWorld . creatures . ix (_crID cr) %~ crCancelReloading
         _ -> w
   where
-    ic = _heldConsumption $ _itUse it
+    ic = itm ^?! itUse . heldConsumption . laSource . _InternalSource
 
 itUseCharge :: Int -> Item -> Item
 itUseCharge x = itUse . leftConsumption . arLoaded %~ (max 0 . subtract x)
 
 itUseAmmo :: Int -> Item -> Item
-itUseAmmo x = itUse . heldConsumption . laLoaded %~ (max 0 . subtract x)
+itUseAmmo x = itUse . heldConsumption . laSource . _InternalSource . iaLoaded %~ (max 0 . subtract x)
 
 {- | Fires at an increasing rate.
 Has different effect after first fire.
@@ -341,14 +345,14 @@ withSidePushAfterI maxSide eff item cr w =
 useAllAmmo :: ChainEffect
 useAllAmmo eff item cr =
     eff item cr
-        . (cWorld . lWorld . creatures . ix (_crID cr) . crInv . ix itRef . itUse . heldConsumption . laLoaded .~ 0)
+        . (cWorld . lWorld . creatures . ix (_crID cr) . crInv . ix itRef . itUse . heldConsumption . laSource . _InternalSource . iaLoaded .~ 0)
   where
     itRef = cr ^?! crManipulation . manObject . inInventory . ispItem -- unsafe!! TODO change
 
 useAmmoUpTo :: Int -> ChainEffect
 useAmmoUpTo amAmount eff item cr =
     eff item cr
-        . ( cWorld . lWorld . creatures . ix (_crID cr) . crInv . ix itRef . itUse . heldConsumption . laLoaded
+        . ( cWorld . lWorld . creatures . ix (_crID cr) . crInv . ix itRef . itUse . heldConsumption . laSource . _InternalSource . iaLoaded
                 %~ (max 0 . subtract amAmount)
           )
   where
@@ -357,7 +361,7 @@ useAmmoUpTo amAmount eff item cr =
 useAmmoAmount :: Int -> ChainEffect
 useAmmoAmount amAmount eff item cr =
     eff item cr
-        . (cWorld . lWorld . creatures . ix (_crID cr) . crInv . ix itRef . itUse . heldConsumption . laLoaded -~ amAmount)
+        . (cWorld . lWorld . creatures . ix (_crID cr) . crInv . ix itRef . itUse . heldConsumption . laSource . _InternalSource . iaLoaded -~ amAmount)
   where
     itRef = cr ^?! crManipulation . manObject . inInventory . ispItem -- unsafe!! TODO change
 
@@ -378,33 +382,10 @@ useTimeCheck f item cr w = case item ^? itUse . heldDelay . rateTime of
 hammerCheckI :: ChainEffect
 hammerCheckI f it cr w = case it ^? itUse . heldHammer of
     Just HammerUp
-        | _laPrimed (_heldConsumption (_itUse it)) ->
+        | it ^?! itUse . heldConsumption . laSource . _InternalSource . iaPrimed ->
             f it cr w
     _ -> w
 
--- | Applies a world effect after an ammo check.
-
--- this should be made "safe" incase there is no _rateTime
-ammoUseCheck :: ChainEffect
-ammoUseCheck f item cr w
-    | fireCondition =
-        f item cr w & pointerToItem
-            %~ ( itUseAmmo 1
-                    . (itUse . heldDelay . rateTime .~ _rateMax (_heldDelay (_itUse item)))
-               )
-    --    | reloadCondition = fromMaybe w $ startReloadingWeapon cr w
-    | otherwise = w
-  where
-    cid = _crID cr
-    itRef = cr ^?! crManipulation . manObject . inInventory . ispItem -- unsafe!! TODO change
-    pointerToItem = cWorld . lWorld . creatures . ix cid . crInv . ix itRef
-    fireCondition =
-        crWeaponReady cr
-            && _rateTime (_heldDelay (_itUse item)) == 0
-            && _laLoaded (_heldConsumption (_itUse item)) > 0
-
---    reloadCondition = _laLoaded (_itConsumption item) == 0
-
 {- | Applies a world effect after a hammer position check.
 Arbitrary inventory position.
 -}
@@ -649,7 +630,7 @@ spreadLoaded eff item cr w = foldr f w dirs
     dirs = subtract cd . (spread *) . fromIntegral <$> [0 .. numBulLoaded - 1]
     f dir = eff item (cr & crDir +~ dir)
     spread = _spreadAngle . _brlSpread . _gunBarrels $ _itParams item
-    numBulLoaded = _laLoaded $ _heldConsumption (_itUse item)
+    numBulLoaded = item ^?! itUse . heldConsumption . laSource . _InternalSource . iaLoaded
 
 sideEffectOnFrame ::
     Int ->
@@ -684,7 +665,7 @@ duplicateLoaded :: ChainEffect
 duplicateLoaded eff it cr w = foldr f w [1 .. numBul]
   where
     f _ = eff it cr
-    numBul = _laLoaded $ _heldConsumption (_itUse it)
+    numBul = it ^?! itUse . heldConsumption . laSource . _InternalSource . iaLoaded
 
 duplicateLoadedBarrels :: ChainEffect
 duplicateLoadedBarrels eff item cr w = foldr f w poss
@@ -695,7 +676,7 @@ duplicateLoadedBarrels eff item cr w = foldr f w poss
     poss = map (rotateV (_crDir cr) . V2 0 . (* 5) . (+ cp) . fromIntegral) [0 .. numBul - 1]
     f pos = eff item (cr & crPos %~ (+.+ pos))
     numBar = _brlNum . _gunBarrels $ _itParams item
-    numBul = _laLoaded $ _heldConsumption (_itUse item)
+    numBul = item ^?! itUse . heldConsumption . laSource . _InternalSource . iaLoaded
 
 duplicateOffsetsFocus :: [Float] -> ChainEffect
 duplicateOffsetsFocus xs eff item cr w = foldr f w poss
diff --git a/src/Dodge/Reloading.hs b/src/Dodge/Reloading.hs
index 2242aa7e2..651b7c317 100644
--- a/src/Dodge/Reloading.hs
+++ b/src/Dodge/Reloading.hs
@@ -18,7 +18,7 @@ crCancelReloading cr =
   where
     updateProgress = fromMaybe id $ do
         InInventory (SelItem i _) <- cr ^? crManipulation . manObject
-        return $ crInv . ix i . itUse . heldConsumption . laProgress %~ const Nothing
+        return $ crInv . ix i . itUse . heldConsumption . laSource . _InternalSource . iaProgress %~ const Nothing
 
 stepReloading :: Creature -> Creature
 stepReloading cr = case cr ^? crManipulation . manObject . inInventory of
@@ -27,14 +27,14 @@ stepReloading cr = case cr ^? crManipulation . manObject . inInventory of
             cr & crManipulation . manObject . inInventory . iselAction . actionProgress -~ 1
         | otherwise ->
             cr
-                & crInv . ix i . itUse . heldConsumption %~ doLoadAction la
-                & crInv . ix i . itUse . heldConsumption %~ rotateActionProgress
+                & crInv . ix i . itUse . heldConsumption . laSource . _InternalSource %~ doLoadAction la
+                & crInv . ix i . itUse . heldConsumption . laSource . _InternalSource %~ rotateActionProgress
                 & tryNextLoadAction
     _ -> cr
 
 tryNextLoadAction :: Creature -> Creature
 tryNextLoadAction cr = case cr ^? crManipulation . manObject . inInventory of
-    Just (SelItem i _) ->  case cr ^? crInv . ix i . itUse . heldConsumption . laProgress . _Just . ix 0 of
+    Just (SelItem i _) ->  case cr ^? crInv . ix i . itUse . heldConsumption . laSource . _InternalSource . iaProgress . _Just . ix 0 of
         Nothing -> cr & crManipulation . manObject . inInventory . iselAction .~ NoInvSelAction
         Just la ->
             cr & crManipulation . manObject . inInventory . iselAction . actionProgress .~ _actionTime la
@@ -49,37 +49,37 @@ crToggleReloading cr = case cr ^? crManipulation . manObject . inInventory . ise
 tryStartLoading :: Creature -> Creature
 tryStartLoading cr = fromMaybe cr $ do
     i <- cr ^? crManipulation . manObject . inInventory . ispItem
-    hc <- cr ^? crInv . ix i . itUse . heldConsumption
+    hc <- cr ^? crInv . ix i . itUse . heldConsumption . laSource . _InternalSource
     return $ startLoading hc cr
 
-startLoading :: HeldConsumption -> Creature -> Creature
-startLoading ic cr = case ic ^? laProgress . _Just . ix 0 of
+startLoading :: InternalAmmo -> Creature -> Creature
+startLoading ic cr = case ic ^? iaProgress . _Just . ix 0 of
     Just la -> cr & startLoadingStep la
-    Nothing -> case ic ^? laCycle of
+    Nothing -> case ic ^? iaCycle of
         Nothing -> cr
         Just [] -> error "item has empty load cycle"
-        Just _ | _laLoaded ic >= _laMax ic -> cr
+        Just _ | _iaLoaded ic >= _iaMax ic -> cr
         Just (la : las) -> fromMaybe (error "item loading error") $ do
             i <- cr ^? crManipulation . manObject . inInventory . ispItem
             return $ cr & startLoadingStep la
-                & crInv . ix i . itUse . heldConsumption . laProgress ?~ (la : las)
+                & crInv . ix i . itUse . heldConsumption . laSource . _InternalSource . iaProgress ?~ (la : las)
 
 startLoadingStep :: LoadAction -> Creature -> Creature
 startLoadingStep la cr = cr & crManipulation . manObject . inInventory . iselAction .~ ReloadAction (_actionTime la) la
 
-rotateActionProgress :: HeldConsumption -> HeldConsumption
-rotateActionProgress ic = case ic ^? laProgress . _Just of
-    Just (_ : la : las) -> ic & laProgress . _Just .~ (la : las)
-    _ | _laLoaded ic < _laMax ic -> ic & laProgress ?~ _laCycle ic
-    _ -> ic & laProgress .~ Nothing
+rotateActionProgress :: InternalAmmo -> InternalAmmo
+rotateActionProgress ic = case ic ^? iaProgress . _Just of
+    Just (_ : la : las) -> ic & iaProgress . _Just .~ (la : las)
+    _ | _iaLoaded ic < _iaMax ic -> ic & iaProgress ?~ _iaCycle ic
+    _ -> ic & iaProgress .~ Nothing
 
-doLoadAction :: LoadAction -> HeldConsumption -> HeldConsumption
+doLoadAction :: LoadAction -> InternalAmmo -> InternalAmmo
 doLoadAction la ic = case la of
-    LoadEject{} -> ic & laLoaded .~ 0 & laPrimed .~ False
-    LoadInsert{} -> ic & laLoaded .~ _laMax ic
+    LoadEject{} -> ic & iaLoaded .~ 0 & iaPrimed .~ False
+    LoadInsert{} -> ic & iaLoaded .~ _iaMax ic
     LoadAdd{_insertMax = x} ->
-        ic & laLoaded +~ min x (_laMax ic - _laLoaded ic)
-    LoadPrime{} -> ic & laPrimed .~ True
+        ic & iaLoaded +~ min x (_iaMax ic - _iaLoaded ic)
+    LoadPrime{} -> ic & iaPrimed .~ True
 
 --{- | Start reloading if clip is empty. -}
 --crAutoReload :: Creature -> Creature
diff --git a/src/Dodge/Render/HUD.hs b/src/Dodge/Render/HUD.hs
index ac5514bd4..af3e6c026 100644
--- a/src/Dodge/Render/HUD.hs
+++ b/src/Dodge/Render/HUD.hs
@@ -172,12 +172,9 @@ drawRBOptions cfig w = fromMaybe mempty $ do
 examineInventoryExtra :: Maybe Int -> Configuration -> Picture
 examineInventoryExtra mtweaki cfig = fromMaybe mempty $ do
     tweaki <- mtweaki
-    -- consider moving this functionality out into a tweaks module
-    --tparam <- mitm ^? _Just . itTweaks . tweakParams . ix tweaki
     return $
         toTopLeft cfig $
             translate subInvX (-71) $
-                --listCursorChooseBorderScale 0 1 [North,South,West] tweaki 0 white (length $ showTweak tparam) 1
                 listCursorChooseBorderScale 0 1 [North, South, West] tweaki 0 white 10 1
 
 combineInventoryExtra :: SelectionSections CombinableItem -> Configuration -> World -> Picture
diff --git a/src/Dodge/Update/Input/ScreenLayer.hs b/src/Dodge/Update/Input/ScreenLayer.hs
index cf0bbf99a..9759f8477 100644
--- a/src/Dodge/Update/Input/ScreenLayer.hs
+++ b/src/Dodge/Update/Input/ScreenLayer.hs
@@ -19,7 +19,7 @@ import SDL
 updateUseInputOnScreen :: ScreenLayer -> Universe -> Universe
 updateUseInputOnScreen sl = case sl of
     InputScreen{} -> doInputScreenInput (sl ^. scInput)
-    _ -> optionScreenUpdate sl
+    _ -> optionScreenUpdate
 
 doInputScreenInput :: String -> Universe -> Universe
 doInputScreenInput s u =
@@ -35,37 +35,28 @@ doInputScreenInput s u =
         | ispressed ScancodeEscape = uvScreenLayers %~ tail
         | otherwise = id
 
-optionScreenUpdate ::
-    ScreenLayer ->
-    Universe ->
-    Universe
-optionScreenUpdate screen u =
+optionScreenUpdate :: Universe -> Universe
+optionScreenUpdate u =
     (uvScreenLayers . ix 0 . scDisplayTime +~ 1)
         . refreshOptionsSelectionList
         . mouseOverSelectionList
-        . optionScreenDefaultEffect mop
-        . mouseClickOptionsList screen
+        . optionScreenDefaultEffect
+        . mouseClickOptionsList
         . menuWheelEvents
         . over (uvScreenLayers . _head) (setSelectionListRestriction (u ^. uvConfig))
         $ u
-  where
-    mop = _scPositionedMenuOption screen
 
-optionScreenDefaultEffect :: EscapeMenuOption -> Universe -> Universe
-optionScreenDefaultEffect f u =
-    fromMaybe
-        id
-        ( do
-            ptype <- u ^. uvWorld . input . pressedKeys . at ScancodeEscape
-            guard $ ptype == InitialPress
-            f ^? emoMenuOption . moEff
-        )
-        u
+optionScreenDefaultEffect :: Universe -> Universe
+optionScreenDefaultEffect u = fromMaybe u $ do
+    f <- u ^? uvScreenLayers . ix 0 . scPositionedMenuOption
+    ptype <- u ^. uvWorld . input . pressedKeys . at ScancodeEscape
+    guard $ ptype == InitialPress
+    (f ^? emoMenuOption . moEff) <*> return u
 
 -- ouch this is not good
-mouseClickOptionsList :: ScreenLayer -> Universe -> Universe
-mouseClickOptionsList screen u = fromMaybe u $ do
-    sl <- screen ^? scSelectionList
+mouseClickOptionsList :: Universe -> Universe
+mouseClickOptionsList u = fromMaybe u $ do
+    sl <- u ^? uvScreenLayers . ix 0 . scSelectionList
     Just $ case u ^. uvWorld . input . mouseButtons . at ButtonLeft of
         Just 0 -> fromMaybe u $ do
             i <- sl ^. slSelPos