Pf45-80 -

Designed for Gen 3 large-frame Glock components.

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. pf45-80

Features a stainless steel locking block rail system (LBRS) and a stainless steel rear rail module (RRM).

Once machined, users install a lower parts kit (LPK), including the trigger housing, trigger bar, and connector. Designed for Gen 3 large-frame Glock components

Often cited for better ergonomics than original Glock frames, including a "rakish" grip-to-frame angle and improved finger grooves. The 80% Build Process

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. Key Features and Specifications The PF45 frame is

A completed slide (upper) and barrel are added to finish the build. Common Use Cases: 10mm vs. .45 ACP PF45 (G21.45 ACP) P80 Build Overview and Range Test