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 magazine release, short stroke gas piston, picatinny handguard, and Ark Defense stock. Overall, this Sig is in good condition with normal use cosmetic wear on the upper receiver and buffer tube. The ambidextrous safety has been removed from the right side. Bore condition is good with crisp rifling. This would be a good choice for home defense. Buy online today!