Smith & Wesson J Frame Center Pin 3" Barrel Models 32 33 36 37 - 072410000 Trigger The "442" designation indicates an

The "442" designation indicates an aluminum alloy frame (Airweight) with a concealed hammer (double-action only)

the Model 637 is one of the lightest

and N frame revolvers

contact us with the serial number for assistance

Material: Heat-treated spring steel

Smith & Wesson J Frame Center Pin 3" Barrel Models 32 33 36 37 - 072410000 Trigger The "442" designation indicates anSmith & Wesson J Frame Cylinder Center Pin Part #072410000 Factory OEM cylinder center pin designed specifically for J Frame revolvers with 3" barrels. Critical component that secures the cylinder to the crane assembly, ensuring proper alignment and smooth swing out operation. Compatible J Frame Models (3" Barrel Only): Model 32 (. 38 S&W) 1960 1974 Model 33 (. 38 S&W) 1960 1974 (Regulation Police) Model 36 (. 38 Special) 1957 present (Chiefs Special)