Light MG Expanded Drums

The Light MG Expanded Drums is a weapon mod sold $$

Effects
The expanded drums will increase the light machine guns magazine size by 110 rounds, from 90 to 200, giving it the highest ammunition capacity of any 5.56mm Round (Fallout: New Vegas)5.56mm weapon.

Location
This weapon mod is sold by Vendortron at the Gun Runners kiosk.