Finish: Black Hardcoat Anodize - Caliber: 300 AAC - Barrel: Db Barrels 10 in 1:8 rh heavy 4150 CrMov Black Nitride - Gas System: pistol-length - BCG: Shot-Peened Magnetic Particle Inspected Mil Spec 8620 Carrier - Upper: A3 Flattop Forged 7075 T-6 Aluminum T-Marked - Lower: 7075 T-6 Aluminum (DB15 Carbon Lower) - Handguard: 9 in M-LOK Rail - Grip: magpul moe grip - Stock: SB Tactical SBA3 Brace - Magazine: magpul 300 blackout gen m2 pmag 30 r - Sights: none - muzzle device: a2 .30 cal flash hider (5/8 x 28) - trigger: standard mil-spec - weight: 5.7 lbs - Length (collapsed/extended): 26 in / 28.5 in