THE REVOLUTION(TM) AR PISTOL HANDLES LIKE A 5.56 PISTOL - BECAUSE IT'S THE SAME SIZE AND WEIGHT AS ONE. Their multiple award-winning Revolution is now available in a 12.5 barrel pistol configuration. This is literally the same gun. The only difference being the SB Tactical SBA3 arm brace. The Revolution AR Pistol by using a 5.56 bolt carrier and other 5.56 parts allowing for a shorter overall receiver size and reduced weight. This also isn't a normal small frame .308 its smaller! The Revolution AR Pistol features many 5.56 parts; such as charging handle bolt carrier cam pin buffer heat sink barrel nut handguard and 5-position gas piston operating system. The barrel extension bolt assembly upper and lower receiver are the exact same size as those on an AR15.Weighing in at 6.9 lbs. the Revolution AR Pistol features their new Edge Handguard with four built-in QD mounts and is packed with all you've come to expect from POF-USA. Fully ambidextrous billet receiver set high phosphate nickel coated bolt carrier group 5-position adjustable gas piston single stage match grade trigger and more. Includes one 20-round magazine. FEATURES: Black finish; Nitride heat-treated fluted barrel; SB tactical SBA3 brace; MLOK Revolution rail; 4.5 lb. drop-in trigger FINISH: BLACK