The Wilson Combat ACP (Accelerated Charge Pistol) is a full-size polymer-frame striker-fired 9mm pistol with a 5-inch match barrel. A significant departure from Wilson Combat's 1911 heritage, the ACP was developed in response to customer demand for a Wilson-quality striker-fired service pistol competitive with Glock and Sig in the duty market. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 17 Year introduced: 2016, USA Weight: 29.6 oz Overall length: 8.5" Status: Active Intended use: duty, home defense, competition