12.7mm SMG Stacked Magazine

12.7mm SMG stacked magazine is a weapon mod for the GRA 12.7mm submachine gun in the Fallout: New Vegas add-on Gun Runners' Arsenal.

Effects
Increases the magazine capacity of the GRA 12.7mm submachine gun with +6 rounds. This mod causes the magazine of the gun to extend further along the top of the gun.

Location

 * Sold by Vendortron at the Gun Runners.
 * Sold by traveling merchants.