Ruger 77/22 Bolt Shim Kit Custom tune the head space on your Ruger 77/22. Factory rifles and aftermarket barrels are made to head space within a very narrow dimension called "SAAMI Spec". And that's all they normally need to shoot accurately and reliably...

CZ-457 Head Space Bolt Shim Kit Custom tune the head space on your CZ-457. Factory rifles and aftermarket barrels are made to head space within a very narrow dimension called "SAAMI Spec". And that's all they normally need to shoot accurately and...

Ruger Mark IV Pistol Trigger Shims These trigger shims fit Ruger Mark I, II, III, IV & 22/45 Pistols. They install on the Left Side of the Trigger, between the Trigger and the #AN37 Bolt Stop Assembly. Installing a Shim here will stop the Trigger...