9mm SMG Drums

The 9mm SMG Drums is a weapon mod sold $$

Effects
This mod adds 30 rounds to the 9mm Submachine Gun's ammunition capacity, from 30 to 60.

Locations
Sold by:
 * Alexander, 188 Trading Post
 * Blake, Crimson Caravan Company
 * Cliff Briscoe, Novac
 * Dale Barton, The Fort
 * Great Khan Armorer, Great Khan Armory in Red Rock Canyon
 * Vendortron, Gun Runners kiosk