Diamondback DB1721K061 DB15 Combo 5.56x45mm NATO & 300 Blackout 16″ 30+1, FDE Carbon Rec/12″ M-LOK Handguard, Black Magpul Carbine Stock & Grip, Includes 2 Uppers

Diamondback Firearms DB15 rifle uses a gas-impingement system and high quality CNC machined components. Features a 4140 chrome moly barrel, A3 Flattop upper receiver, carbine length gas system, 12″ M-LOK rail, MOE grip, A2 Flash hider muzzle and a Magpul MOE Carbine stock. Made in the USA. This model comes with a compatible upper assembly chambered for 300 Blackout.