The Single-Six with 9.5-inch barrel is the maximum-length configuration, primarily used for metallic silhouette competition where the longest practical sight radius improves accuracy at the 50-meter and 100-meter ranges used in handgun silhouette shooting. This long barrel configuration is less common than shorter variants. Type: Revolver Action: Single-Action Caliber: .22 LR Capacity: 6 Year introduced: 1953, USA Weight: 39 oz Overall length: 15" Status: Active Intended use: target, silhouette, sporting