Finish: Black Hardcoat AnodizeCaliber: 8.6 BlackoutBarrel: 12 in, 1:3 RH, Medium, 4150 CrMoV, Black NitrideGas System: Pistol-Length w/ Superlative Adjustable Gas Block, Direct ImpingementBCG: Shot-Peened, Magnetic Particle Inspected Mil-Spec 8620 CarrierUpper: A3 Flattop Forged 7075 T-6 Aluminum, T-MarkedLower: Forged 7075 T-6 Aluminum (DB10 Carbon Lower)Handguard: 11 in M-LOK Anti-Rotation V3 S-Rail w/ Full Picatinny and QD MountsGrip: Magpul MOE K GripStock: SB Tactical SBA5 BraceMagazine: Magpul Gen M3 PMAG, 20 RoundSights: NoneMuzzle Device: Thread Protector (5/8 x 24)Trigger: Standard Mil-SpecWeight: 7.2 lbLength (Length Collapsed / Length Extended): 28.50 in / 31 in