10mm SMG Extended Mags

The  is a type of weapon mod in Fallout: New Vegas.

Effects
This mod increases the ammo capacity of the 10mm SMG by ten rounds.

Location

 * Alexander, 188 Trading Post
 * Arms merchant, 188 Trading Post
 * Blake, Crimson Caravan Company
 * Dale Barton, Fortification Hill
 * Vendortron, Gun Runners