Heavy barrel

The heavy barrel is a weapon mod for the 50 cal machine gun, its two unique variants Final Word and The Action Hero and the auto grenade launcher in Fallout 76.

Effects
Equipping this to the 50 cal machine gun improves its damage slightly, along with its value. Doing so to an auto grenade launcher improves its range alongside the value.

Learn chance

 * High chance

Crafting

 * 50 cal machine gun & variants:


 * Auto grenade launcher:

Location

 * Craftable at any weapons workbench.
 * Loose mods may randomly be found in the Ash Heap, Savage Divide, The Mire and Cranberry Bog regions.
 * Loose mods may also be for sale from vendors.