Diamondback DB15 5.56mm NATO 16in Black Anodized Semi Automatic Modern Sporting Rifle - 30+1 Rounds - This DB15 rifle features a carbine-length, medium 4150 ChromeMoly barrel, mid-length gas system with pinned gas block, and a shot-peened Mil-Spec 8620 bolt carrier. It utilizes 7075-T6 aluminum receivers, 15in M-Lok anti-rotation handguard, Magpul MOE grip, and a Magpul Carbine stock. Magpul MOE Carbine Stock A2 Flashhider 15in Aluminum M-LOK Rail 2-Position Thumb Safety 1/2x28 Threaded Barrel Foregrip Vortex Diamondback Scope 4-16x44