The Model 18 Combat Masterpiece is the 4" barrel .22 LR counterpart to the Model 15 Combat Masterpiece in .38 Special. Designed for training and competition, it replicates service revolver ergonomics in a lower-cost rimfire package. Type: Revolver Action: Double-Action Caliber: 22 LR Capacity: 6 Year introduced: 1949, USA Weight: 36 oz Overall length: 9" Status: Discontinued Intended use: Training / Target