Redesigned lower and upper receivers – Full ambidextrous controls and enhanced rail design – Direct gas impingement operating system – Black Type -III hard coat anodized 7075 -T6 aluminum lower and upper receiver – 11.5 barrel with manganese phosphate finish and chrome lined. – Magpul pistol grip and SBA5 stabilizing brace with 6 -position mil -spec buffer tube – Includes 30rd Magpul PMAG Magazine – Model M5 Pistol – Barrel Length 11.5 – Capacity 30+1 – Caliber 5.56x45mm – Weight 6.25 lbs – Twist Rate 1:7 RH 6 groove – OAL 28-30.5 – Action Semi – Trigger Type Single Stage