Smith & Wesson Model 639 Stainless Pistol Draw Bar Plunger and Spring Used 9mm 63910B Cylinder Stop Screw Function: The cylinder stop engages

Function: The cylinder stop engages notches in the cylinder to lock it in proper alignment with the barrel

Thickness: 1/4"

N Frame revolvers have been trusted by shooters

Part Number: J793

Smith & Wesson Model 639 Stainless Pistol Draw Bar Plunger and Spring Used 9mm 63910B Cylinder Stop Screw Function: The cylinder stop engagesSmith & Wesson Model 639 Draw Bar Plunger and Spring Used OEM Part Factory original Smith & Wesson draw bar plunger and spring for the Model 639 stainless steel 9mm pistol. Part number 63910B. This used part is a genuine OEM component and a direct replacement for the factory draw bar plunger and spring in the 2nd generation S&W semi automatic pistol line. Part Details Part Number: 63910B Condition: Used Inspected for Functionality Caliber: 9mm