Wilson Combat Firing Pin Stop 70 Series Stainless. Use a small bevel on the face of the stop for heavier loads more bevel if you tend to shoot lighter loads.; This part will require light fitting. A fitted firing pin stop is a must for any 1911 spare parts kit. Series 70 will fit all Wilson USGI or Colt/Springfield/Kimber without a Series 80 style firing pin safety. Stainless finish.; Specifications for Wilson Combat Firing Pin Stop: Manufacturer: Wilson Combat Gun Model: Winchester Model 70 Package Contents: Wilson Combat Firing Pin Stops What firearm models does the manufacturer say Wilson Combat Firing Pin Stop is compatible with? The manufacturer suggests that Wilson Combat Firing Pin Stop is compatible with Winchester Model 70Wilson Combat R11S: Firing Pin Stop 70 Series Stainless