The PF45 is an 80%-style pistol frame designed for building a full-size .45 ACP Glock-compatible handgun (G21/G20 platform). This unfinished polymer frame includes a jig and drill bits—you supply the slide, barrel, and parts kit to complete the build. Weighing 8.2 oz with reinforced polymer construction, it features an aggressive grip texture, standard Gen3-style trigger guard, and Picatinny accessory rail.
The PF45 pattern frame ships as an unfinished receiver, currently legal in most states—always verify your local and state laws before ordering. This is the go-to choice for builders who want a large-format polymer pistol without serialization hassles. The frame accepts standard Glock 20/21 parts kits and aftermarket components, giving you control over the final trigger feel and ergonomics.
Drilling the PF45 requires basic tools and patience—the jig includes guide holes for the critical fire control group pins. Note that completed slides must use .45 ACP barrels (G21) or 10mm conversion barrels (G20). No FFL needed for the frame itself, but check regulations on finished firearms in your jurisdiction.
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