SR25 magazine designed for 7.62 x 51mm .308 Winchester caliber variations. Features the Sentry Hexture pattern recognized by shooters for maximum grip and durability. The magazine features the Sentry patented toolLess design for fast and easy floorplate removal allowing field cleaning and HexID color customization. Incorporates functional accessories including Hexmag Grip Tape and SENTRY HexID Color Ammunition Identification System. Supports rounds up to 2.815 in overall length. Not compatible with Armalite B Series AR10 rifles.