PK Gunsmithing


   Paul Koester

   Designated Marksman Training

   Designated Marksman Handbook

   Free Tech Support
     10/22 Auto Bolt Stop

    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