This is a used Sig Sauer 516 Patrol AR-15 rifle chambered in 5.56 NATO. It features a 16-inch barrel with a 1/7 twist, 30-round magazine, ambidextrous safety, ambidextrous magazine release, folding sights, picatinny handguard, Magpul furniture, Bipod foregrip, and piston-driven gas system. Overall, this Sig is in good condition with normal wear on the upper receiver and buffer tube. Bore condition is good with crisp rifling. This would be a good choice for home defense. Buy online today!