B&T TP9 semi-auto pistol with 6.5-inch barrel. Proprietary delayed-blowback design used by Swiss law enforcement. Type: Pistol Action: Semi-Auto Caliber: 9mm Luger Capacity: 30 Year introduced: 2012, Switzerland Weight: 62.4 oz Overall length: 16.8" Status: Active Intended use: Law enforcement / military / personal defense