AR-15 5.56 NATO, 30 Round Magazine, Series 2, Black The 30 round magazine is ideal for any sport, competitor or tactical shooters demanding superior strength, proven reliability and exceptional value. Features include; redesigned feed lip geometry to maximize strength and versatility, stripper clip guides for faster reloading, deep catch pocket for rock-solid stability, one of the industry's only true tool-less designs for easy cleaning, heat-treated stainless steel spring for extended storage periods. The magazine features the SENTRY patented Tool-Less Design for fast and easy floorplate removal allowing field cleaning and HexIDA(R) color customization. Incorporates the industry's most popular and functional accessories including Hexmag Grip Tape and SENTRY HexID Color Ammunition Identification System. Description: Black Fit: AR-15 Rifles: AR-15s, SCAR 16, IWI Tavor, CZ Bren, Beretta ARX 100 and more Caliber: .223/5.56x45mm, .300AAC Blackout, .458 SOCOM, .50 Beowulf and more Capacity: 30 rounds Polymer Construction: PolyHex2 Advanced Composite Follower: Orange Anti-Tilt Polymer Spring: 17-7 PH Stainless Steel