GM Bolt W/Racker W/ears for Ruger® MK I™ - MK IV™

Designed to fit the Ruger® MK I™, MK II™, MK III™, & MK IV™ Ruger® .22LR Pistols. Has the correct Head Space. This bolt does not include the A-2 Firing Pin or Titanium Extractor. You can use your factory extractor and factory firing pin with this bolt. The Factory firing pin will need to be fitted to length so, it does not hit the back of the barrel when dry fired. The Extractor will drop in. This is our fully CNC'd Custom Bolt.