Smith & Wesson J Frame Model 38 Airweight Trigger Blue Steel - Part # 38184 .50 Caliber Verify compatibility with your specific Color:MEDIUM WOOD 390330000 45 LC revolver SW-6672A

Verify compatibility with your specific Model 64 variant before ordering

22 LR chambering makes it economical to shoot while maintaining the feel and handling of centerfire K Frame revolvers

The mainspring (also called the hammer spring) provides the force that drives the hammer forward to strike the firing pin

357 Magnum Blue ✗ Not compatible — different barrel length Model 586 (pinned barrel variants) L Frame

Factory OEM extended magazine for Smith & Wesson M&P 9mm pistols and FPC Carbine

Smith & Wesson J Frame Model 38 Airweight Trigger Blue Steel Part # 38184 .50 Caliber Verify compatibility with your specific Color:MEDIUM WOOD 390330000 45 LC revolver SW 6672A Verify compatibility with your specific Model 64 variant before ordering 22 LR chambering makes it economical to shoot while maintaining the feel and handling of centerfire K Frame revolvers