The IWI UZI Pro in .45 ACP adapts the classic UZI blowback action to the larger cartridge using a heavier bolt and dedicated magazine. The pistol configuration retains the iconic top-charging handle and overall form factor. Type: Semi-Auto Pistol Action: Blowback Caliber: .45 ACP Capacity: 16 Year introduced: 2016, Israel Weight: 54 oz Overall length: 9.45" Status: Active Intended use: Collector, Range