The 9mm SMG drums is a weapon mod in Fallout: New Vegas.
Effects
This mod adds +30 to the 9mm SMG's total possible ammunition capacity.
Locations
- Alexander, 188 Trading Post
- Blake, Crimson Caravan Company
- Cliff Briscoe, Novac
- Dale Barton, Fortification Hill
- Great Khan Armorer, Great Khan armory in Red Rock Canyon
- Vendortron, Gun Runners