PK Gunsmithing


   Paul Koester

   Designated Marksman Training

   Designated Marksman Handbook

   Free Tech Support
     10/22 Auto Bolt Stop
     How Cleaning Affects Accuracy

    Gunsmith Services
        Ruger Upgrades (PDF)

    Trigger Service

    Brands Serviced

       Ruger 10 22

    FFL Transfers



Welcome to PK Gunsmithing

Hi, I'm Paul Koester, owner of PK Gunsmithing. I have 41 years operational experience in military and law enforcement weapons and tactics. I have a lifetime of experience maintaining & modifying weapons. They are my passion. I am here to help you get the most out of your weapons. I can help you with:

  • Tactical Modification
  • Repair & Maintenance
  • Stock fitting and Butt Pad Mounting
  • Trigger jobs - see services for details

I can help you get the most out of your Ruger 10 22 with my ebook:

Available for immediate purchase & download
This is an e-book, and can only be downloaded from this site.

Only $10.00




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