Pf45-80

Once machined, users install a lower parts kit (LPK), including the trigger housing, trigger bar, and connector.

Builders use a provided finishing jig and drill bits to remove excess material and drill pin holes.

The term "80%" refers to the frame's manufacturing state; it is not considered a firearm by federal standards until the user machines specific areas.

The (Polymer80 PF45) is a high-strength, reinforced polymer 80% pistol frame designed for "large frame" builds. It serves as a customizable foundation for enthusiasts to build their own handguns compatible with Glock 20SF (10mm Auto) or Glock 21SF (.45 ACP) slide assemblies and magazines. Key Features and Specifications

The PF45 frame is distinct from standard full-size frames (like those for the G17 or G19) due to its larger dimensions and specialized internals.