The Smith & Wesson M&P15 Sport II may just be the ideal modern sporting rifle. Wearing the legendary Smith & Wesson name. And built to perform multiple roles under all conditions. M&P15 Rifles are as versatile as they are reliable. Chambered in 5.56 NATO, the Sport II standard features include a black anodized aluminum receiver. 6-position collapsible stock, flip-up rear sight, a 16-inch, threaded 1:9 twist barrel, a dust cover, forward assist, and a chrome-lined gas key and bolt carrier.