HEXMAG Magazine, Shorty, 223 Remington/556NATO, 20 Rounds, Fits AR-15 Olive Drab Green HX20-AR15S2-ODG The HEXMAG 20-round SHORTY magazine, with a lower profile for bench or bipod shooting, is perfect for any sport, competitor, or tactical shooter demanding superior strength, proven reliability, and exceptional performance. Featuring the proprietary POLYHEX2 Advanced Composite and patented HEXTURE design for a better grip, it also includes redesigned feed lip geometry to maximize strength and versatility, stripper clip guides for faster reloading, a deep catch pocket for stable handling, and a heat-treated stainless-steel spring for extended storage periods.