10mm Pistol Extended Mags

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

Effects
This mod increases the ammo capacity (+4).

Location

 * Right now there's no confirmed spawning place, but it can probably be bought randomly from any vendor that sells weapons mods, like the Gun Runners merchant at the 188 trading post.

Appearances
The appears in Fallout: New Vegas.

Bugs
See weathered 10mm pistol for bugs regarding using this and other weapon mods on that weapon.