Diamondback Firearms DB-15 SBR Talo Finish: Black hard coat anodize Caliber: 5.56 NATO Barrel:Db Barrels, 10 in, 1:8 rh, medium, 4150 CrMov, Black Nitride Gas System:Carbine-length w/ superlative adjustable gas block BCG:Shot-Peened, Magnetic Particle Inspected Mil Spec 8620 Carrier Upper:A3 Flattop Forged 7075 T-6 Aluminum, T-Marked w/ silencerco gas defeating charging handle Lower: 7075 T-6 Aluminum (DB15 Carbon Lower) Handguard:9 in v3 M-LOK anti rotation s rail w/ full picatinny Grip: Magpul moe grip Stock: Magpul DT carbine stock Magazine: Magpul gen m2 pmag 30 rd Sights: none Muzzle device: Silencerco ASR Muzzle Brake 1/2×28 Trigger: Standard mil-spec Weight: 5.8 lbs Length (collapsed/extended): 27.15 in / 30.40 in