Black Rain Ordnance Spec 15+ We The People 5.56x45mm NATO 30+1 16", Red Battleworn with Deep Engraving, 15" Slim M-LOK, Magpul Grip/Carbine Stock, Castle Flash Hider Receiver: Spec 15 Forged Aluminum Receiver Set Deep Engraved We The People. Barrel: 5.56: 16 4150V Chromoly Barrel. Charge Handle: Spec 15 Forged Charge Handle. BCG: Salt Bath Nitride Coated Spec 15 BCG. Trigger: Mil-Spec G.I. Trigger. Gas System: Direct Impingement; .750 Low Profile Non-Adjustable Gas Block. Muzzle Device: Castle Flash Suppressor. Furniture: Magpul MOE Grip & Magpul MOE Stock. Handguard: 15 MLOK Slim Handguard. Length: 34.