Sig Sauer 516 Semi-Automatic .223 REM/5.56 NATO 16" Adjustable Bla
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The Fulfilled Potential Of The AR-15/M16. 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, three-position gas regulator, the SIG516 incorporates all of the most desirable mechanical improvements. Add to these a free-floating quad rail forend and barrel, and you have the most advanced, versatile AR-based rifle available. This Rifle has a Bullet Button and is California Approved.