This is a used Colt M4 Carbine chambered in 5.56 NATO. It features a 16-inch barrel with a 1/7 twist, 30-round magazine, BCM stock, Magpul grip, Strike Industries dust cover, Strike Industries takedown pins, and Geissele MK8 MLOK handguard. Overall, this Colt is in good condition with normal wear on the receiver. Bore condition is good with crisp rifling. This would be a good choice for home defense. Buy online today!