A single-shot target pistol designed for Camp Perry National Matches competition, built on the Officers Model revolver frame with a hinged breechblock replacing the cylinder. The long 10-inch barrel with adjustable target sights made it highly accurate. Favored by Bullseye pistol competitors in the 1920s-1940s who needed a .22 Single Shot for the Civilian Marksmanship Program events. Type: Pistol Action: Single-Shot Caliber: .22 LR Capacity: 1 Year introduced: 1926, USA Weight: 28 oz Overall length: 10.5" Status: Discontinued Intended use: target, civilian