HEXMAG Series 2 AR15/M4 5.56 NATO Rifle Magazine - 30 Rounds - The HEXMAG 30 round magazine is ideal for any sport, competitor or tactical shooter, demanding superior strength, proven reliability and exceptional value. Featuring the proprietary PolyHex2(TM) Advanced Composite, and Patented HEXTURE design for better grip. Other Series 2 features include redesigned feed lip geometry to maximize strength and versatility, stripper clip guides for faster reloading, deep catch pocket for rock-solid stability and a heat-treated stainless steel spring for extended storage periods. The Standard 30 round body looks natural in your rifle and is compatible with most Modern Sporting Rifle platforms and magazine pouches. Magazine capacity is regulated by HEXMAG's patented True Riser System inside of a standard sized body, designed to meet strict compliance regulations in specific regions of the United States. Features: CALIBERS: 5.56 X 45 NATO, 223 REMINGTON, 300 AAC BLACKOUT RIFLES: AR15 / M4 and other MSR Compatible Rifle Systems CAPACITY: 30 CONSTRUCTION: PolyHex2 Advanced Composite Made in the U.S.A.