Smith & wesson j-frame revolver is designed to fire a full power round and is as simple and easy to use as it is reliable.The model 442 pro series is a variation of the model 42 centennial airweight that integrates the time-tested features of the original with modern advancements and competition specifications and features.This model has an matte black aluminum alloy frame, carbon steel cylinder, black stainless steel barrel, integral front and fixed rear sights, and an enclosed hammer.It also so has a no internal lock and black grips.Included is a moonclip. Frame Description: Black Aluminum Type: Revolver Action: DAO Caliber: 38 Special Barrel Length: 1.88 Capacity: 5 Hammer Style: Concealed Grips: Black Polymer Sights: Integral Front, Fixed Rear Weight: 15 oz Frame Size: Small Cylinder Finish: Black Barrel Finish: Black Stainless Steel Oal: 6.30 Includes: Moon Clips Barrel Length Range: 1 to 1.99 Weight Range: 9 oz to 15.99 oz