Polymer 80
Polymer 80 Guides & Tips
3D Gun Builder provides the best guides and build tips for everything Polymer 80.
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Are Polymer 80s Reliable?
Years of testing and 10k+ rounds we find out just how reliable is a P80
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