This is a used CMMG MOD4SA rifle chambered in 5.56 NATO. It features a 16-inch barrel with a 1/9 twist, 30-round magazine, A2 front sight post, folding rear sight, and collapsible stock. Overall, this rifle is in good condition with some handling wear on the receiver. Bore condition is good with crisp rifling. This would be a good choice for home defense. Buy online today!