Description

Polymer80 PF45 80% Pistol Frame Only

Build a full-size, large-frame pistol on your terms. The Polymer80 PF45 80% Pistol Frame Only is the foundation for a custom .45 ACP or 10mm handgun. Designed for experienced builders, this uncompleted frame requires final milling and finishing before assembly. It is not a functional firearm and can be shipped directly to your door without an FFL transfer fee. Trust this frame for its rugged construction and compatibility with standard large-frame components.

Overview

The Polymer80 PF45 80% Pistol Frame Only is a precision-machined, unfinished frame that serves as the starting point for a custom build. It accepts Glock 21 and Glock 20 parts kits, including slides, barrels, and lower internals. This frame is manufactured from high-strength, impact-resistant polymer and includes a stainless steel front rail system and a locking block. You control the final fit, finish, and trigger feel. No serial number is present, making it an 80% frame under federal law. Complete the machining at home using standard tools and a drill press.

Features & Specs

• Manufacturer: Polymer80. Category: Frames. Material: Reinforced polymer with stainless steel rail inserts.
• Compatible with Glock 21 (.45 ACP) and Glock 20 (10mm) parts kits. Uses standard large-frame holsters and magazines.
• Requires final milling of the front locking block pin holes, rear rail module, and trigger housing pocket. Includes detailed build instructions.
• No serial number. No FFL required for purchase or shipment. Not a finished firearm. Must comply with all state and local laws.
• Overall weight: approximately 8.2 ounces (unfinished). Length: 8.5 inches. Width: 1.3 inches at the grip.

Who It’s For

This polymer80 pf45 80% pistol frame only is for the experienced DIY builder who wants a full-power handgun without the factory markup. It is for hobbyists who understand the legal and mechanical requirements of completing an 80% frame. You should already own a drill press, a set of precision files, and a punch set. This frame is not for first-time builders. It is for those who want a tight, custom fit and the satisfaction of building their own firearm. If you are a collector, a competition shooter, or someone who wants a backup frame for a Glock 20 or Glock 21, this is the right product.

Shipping & FFL

This Polymer80 PF45 80% Pistol Frame Only is not a firearm and does not require an FFL transfer. It ships directly to your residential or business address. We ship via UPS Ground or USPS Priority Mail, with tracking provided. You must be 18 years or older to purchase. Check your state and local laws before ordering. Some states and municipalities restrict or prohibit the purchase and possession of unfinished frames. It is your responsibility to ensure compliance. By purchasing this product, you confirm that you are legally allowed to own and complete an 80% frame in your jurisdiction. No returns on completed or modified frames. If you have questions about assembly compatibility, contact our support team before purchase.