The Model 642CT is the Crimson Trace Lasergrip-equipped variant of the 642 Centennial Airweight. The integrated red laser allows precise aiming in low-light conditions without adding significantly to the revolver's snag-free profile. Type: Revolver Action: Double-Action Only Caliber: 38 Special +P Capacity: 5 Year introduced: 2005, USA Weight: 15.8 oz Overall length: 6.3" Status: Active Intended use: Concealed Carry