Anderson AM15 5.56mm NATO 7.5in Black Modern Sporting Pistol - 30+1 Rounds -Anderson Manufacturing's AM15 Pistol is chambered in .223/5.56 with a 7.5in Chrome Moly Vanadium Steel M4-contour barrel with a 1: 7in twist. Other Anderson-made features of this AR pistol include the EXT Free Float, Low-Profile Gas Block, Knight Stalker Flash Hider, and their proprietary 17-4 stainless steel match-grade trigger and hammer. Buffer Tube Optic Ready Magpul Grips
