Finish: OD Green Cerakote – Caliber: 5.56 NATO – Barrel: Diamondback Barrels 7 in 1:8 RH Heavy 4150 CrMoV Black Nitride – Gas System: Pistol-Length Direct Impingement – 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: 6 in PC M-LOK Rail – Grip: MOE Magpul Grip – Stock: SB Tactical SBA3 Brace – Magazine: Magpul Gen M2 PMAG 30 Round 5.56 NATO – Sights: None – Muzzle Device: A2 Flash Hider (1/2 x 28) – Trigger: Standard Mil-Spec – Weight: 5.4 lb – Length (Length Collapsed / Length Extended): 23 in / 25.50 in