The Sentinel is Wilson's carry-optimized 9mm Commander-length 1911 with an X-TAC frontstrap treatment, stainless barrel, and hand-fitted slide-to-frame fit. Represents Wilson's entry into the growing 9mm carry 1911 segment without compromising their quality standard. Type: Pistol Action: Semi-Automatic Caliber: 9mm Capacity: 8 Year introduced: 2010, USA Weight: 33 oz Overall length: 7.7" Status: Active Intended use: Carry, Service