The APC9K PRO is a semiautomatic, blowback operated pistol chambered in 9mm. Many aspects of the weapon are reminiscent of the AR-15, such as the ambidextrous selector switch, the ergonomics, trigger assembly and accepts AR-15 style grips. These similarities make for a better shooting experience for someone already acquainted with the AR-15. The APC9K PRO also features a 5.5 inch threaded barrel with 1/2 x 28 inch threads and a 3-lug suppressor adapter, allowing for the addition of suppressors and muzzle devices. The charging handle is foldable, which gives the APC9K PRO a minimal chance of snagging and the bolt itself locks open on an empty magazine to ensure incredibly fact reload speeds. The APC9K PRO is highly customizable with optics, lights, lasers and grips with top mounted and side mounted Picatinny rails.