The Model 53 is a K-Frame chambered in .22 Remington Jet (5.7x28mm centerfire), a hot bottlenecked cartridge developed jointly by S&W and Remington. Insert chambers allowed .22 LR use. The cartridge's case setback issues led to commercial failure. Type: Revolver Action: Double-Action Caliber: 22 Jet Capacity: 6 Year introduced: 1961, USA Weight: 40 oz Overall length: 11.1" Status: Discontinued Intended use: Hunting / Target