The Optic Ready AR from Anderson is chambered in .223/5.56 and has a 16” Chrome Moly Vanadium Steel M4 contour barrel with a 1-8 twist. This Optic Ready model also features a Forged Receiver, A2 Hand Guard, 6 position butt stock, A2 pistol grip, A2 Flash Hider, Anderson’s proprietary 17-4 stainless steel match grade Trigger & Hammer, Standard Charging Handle, Single point sling mount, and a thirty round magazine.