The Hex Series 2, 10rd magazine is ideal for any sport, competitor or tactical shooter 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 and deep catch pocket for rock-solid stability. One of the industry's only true tool-less designs for easy floorplate removal allowing field cleaning and HexID color customization. Incorporates accessories including Hexmag Grip Tape and Sentry HexID Color Ammunition Identification System. Use with calibers- .223/5.56x45mm, .300AAC Blackout, .458 SOCOM, .50 Beowulf and more. Used with rifles- AR-15s, SCAR 16, IWI Tavor, CZ Bren, Beretta ARX 100 and more. Note- this 10rd magazine uses a standard size body, it is not a short magazine.SENTRY AR-15 magazines are the top choice for any sport shooter, competition shooter or tactical/military unit that demand superior strength, proven reliability, and exceptional value.