This DB15 Pistol features a carbine-length, medium, 4150 ChromeMoly barrel, pistol-length gas system, and a shot-peened Mil-Spec 8620 bolt carrier. It has 7075-T6 aluminum receivers, 9" M-Lok handguard, Magpul MOE grip, and a buffer tube foam pad. Oal 26" Grips Black Magpul Action semi-auto Series AR Pistol Carbine Length Sights Optic Ready Weight 5.40 lbs Caliber 5.56x45mm NATO Capacity 30+1 Weight Range 5 lbs to 5.99 lbs Barrel Length 10" Barrel Length Range 10" to 10.99"