Smith & Wesson J Frame Model 640 Cylinder Stop & Spring Stainless | Part# 64081A Barrel Insert engaging the lever housing block

engaging the lever housing block when pulled to initiate the firing sequence

all-weather grips with excellent texture and control on their pistol

and safe operation of your shotgun

Dimensions: 1

Install the appropriate pin for your model (blue or stainless)

Smith & Wesson J Frame Model 640 Cylinder Stop & Spring Stainless | Part# 64081A Barrel Insert engaging the lever housing blockSmith & Wesson J Frame Model 640 Cylinder Stop & Spring Stainless Steel Restore positive cylinder lockup to your Model 640 Centennial with this factory OEM stainless steel cylinder stop and spring set. Pulled from a used firearm, inspected and functional a direct fit replacement for worn or broken components on your J Frame revolver. Specifications Part #: 64081A Includes: Cylinder stop & spring Material: Stainless steel Condition: Used inspected and