Sig Sauer SIG516 Patrol 5.56 NATO Semi-Auto Rifle

One of the most tested and proven weapons systems in the world achieves ultimate refinement with the introduction of the SIG516 rifle. With its chrome-lined, phosphated, military grade barrel and adjustable, four-position gas regulator, the SIG516 incorporates all of the most desirable mechanical improvements. Add to these a free-floating forend and barrel, and you have the most advanced, versatile AR-based rifle available.◘ Gas piston operating system◘ Four-position gas regulator◘ Free-floating military grade chrome lined barrel◘ M1913 Picatinny flat top upper◘ 7075-T6 Aircraft grade aluminum upper & lower receiver with hard coat anodize finish◘ Flip-up iron sights Sig Sauer Sig 516 Patrol 5.56 NATO Black Rifle