Features: Finish: Black Hardcoat Anodize Caliber: 5.56 NATO Barrel: Diamondback Barrels 16 in 1:8 RH Medium 4150 CrMov Black Nitride Gas System: Carbine Length BCG: Shot-Peened Magnetic Particle Inspected Mil-Spec 8620 Carrier Upper: A3 Flattop Forged 7075 T-6 Aluminum T-Marked Lower: Forged 7075 T-6 Aluminum [DB15 Carbon Lower] Handguard: 15 in M-LOK Rail Grip: Magpul MOE Grip Stock: Magpul MOE Carbine Stock Magazine: Magpul Gen M3 PMAG 10RD Sights: None Muzzle Device: A2 Flash Hider (1/2 x 28) Trigger: Standard Mil Spec Weight: 6.60 lb Length (Length Collapsed / Length Extended): 32.5 in / 35.75 in Compliance Features: AR Maglock Kit