This is a used Diamondback DB-15 rifle chambered in 5.56 NATO. It features a 16-inch barrel with a 1/8 twist, 30-round magazine, M-LOK handguard, and Magpul furniture. Overall, this Diamondback is in good condition with normal wear on the barrel. receiver, and handguard. Bore condition is good with crisp rifling. This would be a good choice for home defense. Buy online today!