This is a used Colt CR6940 Monolithic AR-15 Carbine chambered in 5.56 NATO. It features a 16-inch barrel, 1/7 twist, 20-round magazine, folding gas block sight, Magpul MBUS rear sight, and Colt Monolithic picatinny handguard. Includes factory box, instruction manual, one 20-round magazine, one 30-round magazine, and cleaning kit. Overall, this Colt is in good condition with some handling marks on the barrel and receiver. Bore condition is good with crisp rifling. This would be a good choice for home defense. Buy online today!