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
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 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
Built from high-strength reinforced polymer with an aggressive, adaptable grip texture.
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. A completed slide (upper) and barrel are added
Builders use a provided finishing jig and drill bits to remove excess material and drill pin holes.
Once machined, users install a lower parts kit (LPK), including the trigger housing, trigger bar, and connector. The 80% Build Process The PF45 frame is
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