The Model 442 Pro Series is a Performance Center-tuned version of the aluminum-frame hammerless J-frame, featuring an improved trigger, smooth cylinder release, and a chamfered cylinder for faster reloads. The Pro treatment applies S&W Performance Center attention to the most popular pocket revolver configuration without dramatically changing its compact dimensions. Type: Revolver Action: Double-Action Caliber: .38 Special Capacity: 5 Year introduced: 2010, USA Weight: 15 oz Overall length: 6.31" Status: Active Intended use: Concealed Carry, Backup