Polymer80 – PF45 Pistol Frame Kit

Polymer80 – PF45 Pistol Frame Kit

$170.00$170.00 $170.00

80% G20SF/21SF Large Frame, Jig, and Tooling
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Polymer80 – PF45 Frame Kit

80% Large Frame Pistol Frame Kit – G20SF / G21SF

Polymer80 – PF45 Frame Frame Kit is everything you need to start your large frame size Glock 10mm (G20SF), .45 ACP (G21SF).  The Polymer80 – PF45 frame kit includes the 80% large pistol frame, jig, and all tooling required to finish the frame using a drill press and XY cross-vise. Choose between Black, Flat Dark Earth, OD Green, Gray, and Cobalt.  Features like the extended beaver tail, double undercut trigger guard, and a thumb ledge considerably enhance the ergonomics allowing for an effective grip and improved recoil mitigation.


  • The PF45™ is compatible with components for 3-pin 10mm G20SF; 45 ACP G21SF.
  • Next Generation Ergonomics and Features
  • High-Strength Reinforced Polymer Construction
  • Picatinny/STANAG Compliant Accessory Rail
  • Blank Serialization Plate
  • Stainless Steel Locking Block Rail System (LBRS™)
  • Stainless Steel Drop-In Rear Rail Module (RRM™)
  • Hardened Pins for LBRS™ and RRM™
  • Complete Finishing Jig, Drill bits and End Mill Included
  • Compatible with Gen 3 Glock G20SF/G21SF slide assemblies
  • Compatible with Glock G20SF/G21SF magazines

If you just need a lower parts kit for the PF940C, check out our OEM Glock lower parts kits

Looking for an OEM Glock slide completion kit for the PF940C, check out our OEM Glock slide parts kits.

BATFE Polymer80 – PF940V2 Determination Letter

See the complete lineup of Polymer80 products

This system is a complete kit.  There are no additional jigs and parts to purchase.  Polymer80 Spectre system is a complete, all inclusive package including the jig, drill bits and the end mill required to finish your Glock project.

The Polymer80 – PF45 large frame kit is an impressive kit featuring the extended beaver tail, flared mag-well, uniquely textured grip, and backed by Polymer80’s lifetime warranty.





Product Information

Manufacturer: Polymer80
Item #: PF45
Platform: Large Frame Glock 20SF/21SF
Color: Black | FDE | OD Green | Gray | Cobalt
MSRP: $160

Arm or Ally is a stocking dealer for all Faxon Firearms, Ballistic Advantage, Rosco Manufacturing, Aero Precision, Toolcraft, Elftmann Tactical, HIPERFIRE and more. See our growing inventory of AR Parts and Reloading Components.

Additional information

Weight1 oz



Black, FDE, Grey, Cobalt, OD Green



Polymer80 Color Chart

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