B&T USW-A1 (Universal Service Weapon) — compact PDW pistol with folding shoulder stock, optics rail, and suppressor-ready threaded barrel. Designed for plainclothes law enforcement and VIP protection. Bridges pistol and PDW in one platform. Type: Pistol Action: Gas-Operated Caliber: 9mm Luger Capacity: 17 Year introduced: 2017, Switzerland Weight: 88 oz Overall length: 17.5" Status: Active Intended use: law_enforcement