The Kel-Tec P50 is a semi-automatic pistol chambered in 5.7x28mm that accepts the same 50-round horizontal magazine used by the FN PS90. At the time of introduction it had the highest factory magazine capacity of any semi-automatic pistol commercially produced. The P50 uses a roller-delayed blowback action in a bullpup pistol layout with the action behind the magazine well. Type: Pistol Action: Semi-Automatic Caliber: 5.7x28mm Capacity: 50 Year introduced: 2021, USA Weight: 95 oz Overall length: 15.9" Status: Active Intended use: sporting, home_defense, novelty