The Black River Manufacturing steel body 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. The MAG features a long-life stainless steel spring, a four-way anti-tilt follower and constant-curve internal geometry for reliable feeding, and simple tool-less disassembly for easy cleaning. In addition, a redesigned bolt catch notch in the rear of the magazine provides increased bolt catch clearance, low profile ribs and new aggressive front and rear texture gives positive control of the MAG in all environments. The enhanced floor plate is easy to disassemble. The flared floorplate aids extraction and handling of the magazine while providing improved drop protection. Laser engraved Black River logo Compatible withAkdal - MKA 1919Armsco - BULLIE 12 / ...