7.62 x 51mm (.308 Winchester) PolyHex2 Advanced Composite construction Supports rounds up to 2.815 inches in length. Not compatible with Armalite ''B'' Series AR10 rifles.
AR-10/.308 SR-25 magazine designed for 7.62x51mm (.308 Winchester) caliber variations. Features the SENTRY HEXTURE pattern recognized by shooters for maximum grip and durability. The magazine features the SENTRY patented Tool-Less Design for fast and easy floorplate removal allowing field cleaning and HexID color customization. Incorporates the industry's most popular and functional accessories including Hexmag Grip Tape and SENTRY HexID Color Ammunition Identification System.