The standard 1.875-inch barrel Model 642 Airweight is the most-produced and most-carried J-frame configuration. Aluminum alloy frame, stainless cylinder, concealed hammer, and a round butt profile optimized for pocket or IWB carry. The default recommendation for backup and lightweight concealed carry since the early 1990s. Type: Revolver Action: Double-Action Caliber: .38 Special +P Capacity: 5 Year introduced: 1990, USA Weight: 15 oz Overall length: 6.31" Status: Active Intended use: concealed_carry, backup, law_enforcement