The Model 642 Airweight is a J-frame double-action-only aluminum-frame revolver in .38 Special +P, among the most popular concealed carry revolvers in American history. Lightweight, simple, and reliable, it requires no administrative handling for carry and is a staple recommendation for new concealed carriers. Type: Revolver Action: Double-Action Caliber: .38 Special +P Capacity: 5 Year introduced: 1990, USA Weight: 14.4 oz Overall length: 6.31" Status: Active Intended use: Concealed Carry, Personal Defense, Backup