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 Performance Center is the ultimate expression of old-world craftsmanship and modern technology. The 642 Pro Series is a variation on the Model 42 Centennial Airweight that integrates the time-tested features of the original with modern advancements and competition specifications and features. This model is +P rated and has a snag-free enclosed hammer. It features a matte silver aluminum alloy frame and stainless steel barrel, cylinder, and black synthetic grip. It includes two moonclips.