HEXMAG AR10/SR25 308 Winchester Rifle Magazine - 20 Rounds - The HEXMAG 20 round magazine is ideal for any sport, competitor or tactical shooter, demanding superior strength, proven reliability and exceptional value. Featuring the proprietary PolyHex2 Advanced Composite, and Patented HEXTURE design for better grip. The Standard 20 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: 7.62x51 NATO, .308 Win, 6.8x51 RIFLES: AR10/SR25 and other MSR Compatible Rifle Systems CAPACITY: 20 CONSTRUCTION: PolyHex2 Advanced Composite Made in the U.S.A.