Alexander Arms Standard Semi-Auto Rifle .300 AAC Blackout 16 Barrel (1)-30Rd Magazine Synthetic Stock Black Finish – FEATURES: – 16 Barrel – 1:8 Twist Rate – 5/8-24RH Threading – Thread Protector Included (Upgrade Options Below) – Standard AR Trigger – M4 stock – A2 Grip – Direct impingement operating system – One 30 Round Magazine (Unless Restricted by Your State) – Alexander Arms Soft Carry Bag – Weight of rifle is 6.25 pounds – Manufacturer Alexander Arms – Barrel Length In Inches 16 – Caliber .300 Aac Blackout – Checkering No – Detachable Magazine Yes – Hinged Floorplate No – Magazine Capacity 30 – Metal Finish Colored – Newitem Yes Other – Features: Lar Alexander Arms Branded Hand Guardefx Stocka2 Grip Mil-spec Triggera2 Flash – Hideranodized Finish – Overall Length In Inches 33 – Rate Of Twist 1:7 – Recoil Pad No – Sights No – Stock Material Synthetic – Swivel Studs No – Type Action Semi-automatic – Weight In Pounds 6.54 – Dimension 3.80 X 12.30 X 39 – Height 3.8 – Width 12.3 – Length 39 – Stock Color Black – Metal Color Black