Drum magazine (Fallout 76)

Drum magazine is a weapon mod for several weapons $$

Effects
When applied to a weapon, the mod greatly increases the weapon's total magazine size, allowing more shots to be fired before reloading. It is the default magazine mod for the light machine gun and cannot be crafted.

Crafting

 * 10mm submachine gun


 * Assault rifle


 * Combat shotgun


 * Gauss pistol


 * Handmade rifle


 * Pipe gun

Location

 * Can be crafted and applied to weapons at a weapons workbench if the relevant plan is known.
 * Loose mods may randomly be found in the following regions:
 * The Forest (Pipe gun)
 * Ash Heap (Assault rifle and combat shotgun)
 * Toxic Valley (Combat shotgun, handmade rifle and pipe gun)
 * Savage Divide (Assault rifle, combat shotgun and handmade rifle)
 * The Mire (Assault rifle)
 * Loose mods may also be for sale from vendors.