The SIG516 series brings the proven reliability, of the Sig Sauer advanced short stroke pushrod gas system, with three position adjustable gas valve to a true AR platform tactical rifle. A free-floating forearm provides unparalleled accuracy, while a chrome-lined and phosphate coated barrel provides maximum durability and corrosion resistance. A 7075-T6 aircraft grade aluminum forged lower receiver adds to the durability and reliability. With five available barrel lengths, including a heavy barrel 18" configuration.
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