Polymer 80
3D Gun Builder provides the best Polymer 80 frames, build kits, slides, guides and build tips for everything Polymer 80.
Latest Polymer 80 Guides & Tips

Who is Marine Gun Builder (MGB)
Marine Gun Builder is an influential figure in the world of Polymer 80 and do-it-yourself (DIY) gunsmithing. With a strong

Polymer 80 Ejection Problems (Ejector Upgrades)
Upgrading your Polymer 80 Ejector can often quickly fix problems related to “spent casing” extraction. There are tons of small

Polymer 80 Ammo (Ultimate Bullet Guide)
You finally finished building your Polymer 80 handgun. From cutting to sanding to assembling all of the lower parts, you

Polymer 80 PF-Series Magwell Installation
If you want to add a bit of flare and usability to your Polymer 80 Sub-Compact, Compact, or Full Size

Polymer 80 Slide Issues (Fixed)
One of the main issues encountered after completing your Polymer 80 build is surrounding your slide. There are a ton

Polymer 80 Build Tips (9 Hidden Tricks)
Building a Polymer 80 is a fun and rewarding experience. 3D gun builder covers the best-hidden Polymer 80 build tips

Polymer 80 Jig Instruction Manual (3D Printed)
The Polymer 80 Jig for the PF940v2 (Full Size), PF940C (Compact), and PF940SC(Sub Compact) was originally designed by @mrsnow_makes. Need

Best P80 Glock 17 Slides
Are you planning to upgrade your current P80 Glock 17 slide? Well, you can easily find hundreds of options on

Best Polymer 80 Kit
Polymer 80 kits have become a popular topic among many gun enthusiasts, as they allow for easy customization of their
