diff --git a/Resources/Prototypes/Entities/Objects/Weapons/Guns/Ammunition/Boxes/magnum.yml b/Resources/Prototypes/Entities/Objects/Weapons/Guns/Ammunition/Boxes/magnum.yml
index 018d812e3f5..e4be926d4a0 100644
--- a/Resources/Prototypes/Entities/Objects/Weapons/Guns/Ammunition/Boxes/magnum.yml
+++ b/Resources/Prototypes/Entities/Objects/Weapons/Guns/Ammunition/Boxes/magnum.yml
@@ -9,7 +9,7 @@
       tags:
         - CartridgeMagnum
     proto: CartridgeMagnum
-    capacity: 12
+    capacity: 30 # ADT-Tweak baff ammo
   - type: Item
     size: Small
   - type: ContainerContainer