Gun Smithing

How not to ruin your parts using the polymer 80 jig

Marine Gun Builder delivers troubleshooting solutions for the Polymer 80 PF45 trigger housing area. The P80 PF45 was mis-molded leaving Glock builders with a poorly seated trigger housing. This video will explain how to fix the PF45 problem and get the glock trigger housing to sit appropriately in the frame. It is vital that on the PF45 builders use Glock OEM Lower Parts Kit for assembly. Visit Marine Gun Builder website to see a list of parts need for the G21sf G20sf build. MGB is a certified Glock Armorer, Certified Sig Armorer, and Chief Instructor at Freedom Crew University. For all the tools or to download this video direct - visit the University at https://www.freedomcrewuniversity.com/videostore