Choose 7.5" or 10" Barrel Length

One of the most tested and proven weapons systems in the world achieves ultimate refinement with the introduction of the SIG516 rifle. With its Nitride treated, 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 aluminum forend, and you have the most advanced, versatile AR-based rifle available.