PK Gunsmithing


   Paul Koester

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   Designated Marksman Handbook

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     10/22 Auto Bolt Stop
     How Cleaning Affects Accuracy

    Gunsmith Services
        Ruger Upgrades (PDF)

    Trigger Service

    Brands Serviced

       Ruger 10 22

    FFL Transfers




Ruger Trigger Job & Modifications

PK Gunsmithing Factory Certifications from:
Glock, Remington, Beretta, Colt, USSOCOM Joint Armorer’s Course,  Penn & Foster Gunsmith Course

A Trigger Job is one of the most significant improvements you can make to the performance of your Ruger 10/22. This involves polishing all the action surfaces of the trigger assembly so the pull is smooth. The factory parts have machining ridges that impede the action and can cause small catches in the pull. We also adjust the weight of the pull.



2.0 - 2.4 lb trigger pull
Trigger and hammer side shims
Trigger overtravel screw
Ejector modified to follow bolt travel
Auto-bolt release conversion
Single stage pull reworked to be as crisp as possible
Receiver set screws installed to tighten trigger group
Extended magazine release installed
Hammer spring and strut modified
RUGER 10/22 MODIFICATIONS trigger assembly
Cleaning Port installed
Ejector Tuneup
Bolt & Charging Handle polishing & tuneup


Check out our Ruger 10/22 Manual






PK Gunsmithing
Bozeman, MT 59718
Call us at: 850-758-5880