Black River Manufacturing (BRM) BRM Battle Drum 12 Gauge 20-Round Drum Magazine (SKU: BRDMBK01)
The Black River Manufacturing (BRM) Battle Drum is a detachable 12 gauge drum magazine built for shotguns that accept MKA 1919 pattern magazines. Fitment includes the Typhoon Defense X12 and F12, along with most other compatible MKA 1919-pattern 12 gauge platforms.
This unit is the Black/Black variant and includes the factory BRM Battle Drum box.

