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. This mag is compatible with the following calibers: 223, 5.56x45mm, 300AAC Blackout, 458 SOCOM, 50 Beowulf and more. It is also compatible with the following rifles: AR-15, SCAR 16, IWI Tavor, CZ Bren, Beretta ARX 100 and more.