The Black River Manufacturing Drum magazine fits many manufacturers models shotguns (compatibility list below). Along with an expanded feature set and greater compatibility, it incorporates technology and manufacturing processes for enhanced strength, durability, and reliability that exceed rigorous performance specifications. Laser engraved Black River logoFeaturesHolds 2 3/4" & 3" ShellsAll metal components are heat treated for extended lifespanThe patented EZ LOAD hand wheel makes it easy to loadAll magazines are inspected for quality.Tested against drops, physical impacts while shooting and any environmental factors you may face Compatible withAkdal - MKA 1919Armsco - BULLIE 12 / MKS 12Armelegant - ANG 4 / ANG5 / ANG 10 / ANG 11 /ANG 12 / ANG 13 / BLP 12 / BLP 12MATI - Bulldog SGABarak - BR-99Best Arms - BA912Black Aces - FD12 / Pro Series BullpupCentury - BP-12Charles Daly - AR-12S / N4S / AR-12A / AR-12T / HonchoCitadel - BOSS 25Escort - BTS 12 / DF12 / SDX12Fed Arm ...