This Panzer Arms MAG12 Tactical is the ultimate AR15 Type Shotgun period, its ultra-compact patented design features AR15-type working mechanisms that cycle rounds by utilizing the Buffer Tube & Buffer with less recoil with a sleek & durable ultra-light alloy butt stock. The Mag12 also features an enlarged magazine release & charging handle and is completed with a precision drop-in trigger pack, an ultra slim aluminum hand guard with an easy-to-disassemble 19.75" barrel with a unique door buster style muzzle feature. Both the upper and lower are made out of 7075 T6 Aluminum. This shotgun features the new ERB ( Easy Removable Barrel ), ensuring that barrel nut loosening problems are completely eliminated due to the monoblock solid piece front carrier. This model also features a tactical skeletonized trigger design, a monolithic buttstock, an improved AR style grip, and Picatinny rails top and bottom. This shotgun features 3\" chambers so it will accept and feed all 2 3/4 inch and 3\" shells. The overall length is 39". It weighs in at 8.1 lbs., and comes with 2x5 Rd. Magazines a set of Flip Up Sights, a Choke Tube Set, and a Manual. Accepts all standard FR-99 or AR-12 style mags and drums. This new Panzer Mag 12 is truly a trendsetter.