The Polymer80 PF45™ 80% Full Size Frame and Jig Kit (Glock® 20/21 Compatible) comes complete with essential parts as described: Polymer80 PF45 80 Percent Full Size Frame and Jig Kit (Glock 20/21 Compatible) Overview If you are building a large-frame pistol from the ground up, the Polymer80 PF45 80 Percent Full Size Frame and Jig Kit (Glock 20/21 Compatible) is the foundation you have been looking for. Based on the proven Polymer80 platform, this kit gives you a complete raw frame and the essential tooling to finish it at home. Designed for serious handgun enthusiasts, this frame accepts all standard Glock 20 and Glock 21 parts, turning a pile of components into a fully functional 10mm or .45 ACP pistol. Whether you want a dedicated hunting sidearm or a heavy-hitting range toy, this polymer80 pf45 80 percent full size frame and jig kit (glock 20/21 compatible) gives you the control and the satisfaction of a true DIY build. Features and Specs This kit ships with a complete 80 percent frame and the necessary jig to guide your drill press or hand drill. The frame is molded from a tough, reinforced polymer that stands up to the recoil of full-power loads. The integrated rail system is machined to accept standard holsters and lights, while the textured grip panels provide a secure hold in wet or dry conditions. Below are the key specs you need to know before starting your build. Manufacturer: Polymer80 Category: Frames Compatibility: Glock 20 (10mm Auto) and Glock 21 (.45 ACP) upper assemblies and lower parts kits Material: High-impact, glass-filled polymer Includes: PF45 80 percent frame, jig, drill bits, and assembly hardware Finish: Textured grip panels with integrated trigger guard undercut Who It Is For This kit is built for the experienced hobbyist who wants to assemble a large-frame pistol without the need for a serialized receiver. It is ideal for shooters who already own Glock 20 or 21 parts and want a custom frame with a different grip angle or color. If you are comfortable using a drill press and following detailed instructions, this polymer80 pf45 80 percent full size frame and jig kit (glock 20/21 compatible) will walk you through the milling process in a few hours. It is also a solid choice for those who want to learn the internal mechanics of a large-frame pistol by building it themselves. We recommend this kit for builders with at least one prior 80 percent project under their belt, though a careful novice can succeed with patience and the right tools. Home builders looking for a large-frame Glock-compatible platform Shooters who want a dedicated 10mm or .45 ACP pistol built to their preferences Enthusiasts who prefer the ergonomics of a Polymer80 frame over factory options Requires a drill press or hand drill, end mill, and basic gunsmithing tools Needs a Glock 20 or 21 slide, barrel, lower parts kit, and magazine (sold separately) Estimated build time: 1 to 2 hours for intermediate users Shipping and FFL Because this frame is classified as an 80 percent receiver and is not a completed firearm, it ships directly to your home without the need for a transfer through a Federal Firearms License (FFL) dealer. However, federal and state laws vary, and it is your responsibility to ensure that ownership and completion of this polymer80 pf45 80 percent full size frame and jig kit (glock 20/21 compatible) is legal in your jurisdiction. We do not ship to states or localities where 80 percent frames are restricted or prohibited. Once you complete the frame by milling the fire control pocket and removing the tabs, you must comply with all applicable laws regarding serialization and transfer. If you have any questions about compliance, consult a local attorney or your state firearms authority before ordering. We ship via UPS Ground with adult signature required. Please allow 3 to 5 business days for processing.

No. This product is a part or accessory and does not require an FFL for purchase or shipping.

While Polymer80 PF45™ 80% Full Size Frame and Jig Kit (Glock® 20/21 Compatible) is legal in most states, always verify your local laws before placing an order. We comply with all state regulations.

In most cases, yes — Glock-compatible frames are designed to accept Glock OEM and compatible magazines. Always confirm fitment in the product details.

That depends on your state’s concealed carry laws. Once properly serialized and registered, carrying may be allowed under state law.

We ship all over the USA within 1–3 business days. You will receive tracking once shipped. Delivery times vary by carrier and region.