Volquartsen Mk III and III 22/45 Pistol Competition Kit Trying to figure out which parts are needed to take the Ruger Mk III and Mk III 22/45 to the next level? Look no further than the Pistol Competition Kit. This kit includes our Accurizing Kit , Bolt Tune-Up Kit and CNC-Machined Disconnector. The Pistol Competition Kit is designed to produce a crisp, clean 2.25 trigger pull, eliminate stovepipes, and eliminate failures to fire! Complete drop-in kit for the Ruger MKIII and also MKIII 22/45 to provide a crisp, clean 2.25lb trigger pull (pull may vary slightly due to factory frame variances). The Competition Kit includes an extended bolt release (extended bolt release is not used when installing in a 22/45), target hammer, target sear, target trigger with over travel screw, return trigger plunger spring and polished plunger. No stoning required. Final trigger pull may vary slightly due to factory frame variances. In addition you get the bolt tune-up parts: The Exact Edge Extractor and our SureStrike Firing Pin. And to top everything off, you get a Volquartsen CNC machined disconnector. NOTE: This kit does NOT include a hammer bushing. If you want to eliminate the Mk III magazine disconnect feature, you need to order the MK II Pistol Competition Kit instead. The Mk II kit includes the Mk II hammer bushing and target hammer. These parts allow you to remove the Mk III magazine disconnect lever and spring.Be sure to visit our Volquartsen Home Page.