Performance Center version of the stainless/alloy Model 642 Airweight with enhanced DAO trigger, PC action work, and rubber grips. The 642 Pro is the stainless-slide counterpart to the 442 Pro. Concealed hammer, aluminum frame, stainless barrel and cylinder. Type: Revolver Action: Double-Action Only Caliber: 38 Special +P Capacity: 5 Year introduced: 2009, USA Weight: 15 oz Overall length: 6.31" Status: Active Intended use: Concealed Carry / Backup