12.7mm SMG stacked magazine
Increases the magazine capacity of the GRA 12.7mm submachine gun by 6 rounds. This mod causes the magazine to extend further along the top of the weapon.
- Sold by Vendortron at the Gun Runners.
- Sold by traveling merchants.
- Sold by arms merchant at the 188 trading post.
- Sold by Boomer munitions manager at Nellis Air Force Base in the mess hall & munitions storage building.