Polymer80 PF9SS 80% Single-Stack Frame and Jig Kit (Glock 43 Compatible)

Overview

The Polymer80 PF9SS 80% Single-Stack Frame and Jig Kit (Glock 43 Compatible) delivers a precision-engineered platform for builders seeking a compact, single-stack 9mm pistol. Designed specifically for Glock 43 compatibility, this 80% frame kit requires no serialization and allows you to complete a functional lower receiver at home. The kit includes the PF9SS frame, a dedicated jig, and all necessary tooling to machine the frame with standard hand tools. Polymer80’s proprietary design replicates the ergonomics and trigger geometry of factory Glock 43 frames while adding an integrated accessory rail for lights or lasers. This kit is the most direct path to a custom, legally compliant single-stack build without a serialized receiver purchase.

Features & Specs

The Polymer80 PF9SS 80% Single-Stack Frame and Jig Kit (Glock 43 Compatible) is manufactured to exacting tolerances using reinforced polymer. The frame accepts all OEM and aftermarket Glock 43 slide assemblies, barrels, trigger groups, and magazines. The included jig precisely locates all pin holes and fire control pockets, eliminating guesswork. Below are the core specifications:

• Manufacturer: Polymer80. Category: Frames. Material: Impact-modified polymer. Compatibility: Glock 43 (all generations).
• Includes: PF9SS 80% frame, modular jig system, drill bits, end mill, pin punch, and instruction manual.
• Integrated single-slot accessory rail. Textured grip panels with undercut trigger guard. Accepts standard Glock 43 sights.

Who It’s For

This kit is built for the DIY firearm builder who wants a compact, concealable 9mm pistol without purchasing a serialized frame. It suits experienced hobbyists, custom pistol enthusiasts, and those who prefer a hands-on approach to firearm ownership. The Polymer80 PF9SS 80% Single-Stack Frame and Jig Kit (Glock 43 Compatible) is not for beginners—basic mechanical aptitude and familiarity with hand tools are required. It is ideal for completing a lightweight, single-stack carry piece using your choice of Glock 43-compatible components. The build process typically takes 45 to 90 minutes and yields a firearm that is functionally identical to a factory Glock 43 lower receiver.

• Experienced DIY builders seeking a non-serialized single-stack frame.
• Custom pistol enthusiasts wanting to integrate an accessory rail into a Glock 43 platform.
• Individuals who prefer building over buying a complete firearm, with full control over parts selection.

• Requires standard hand tools (drill, vise, files). No milling machine or CNC equipment needed.
• Compatible with all Glock 43 slides, barrels, recoil springs, and trigger housings.
• Frame accepts Glock 43 magazines (standard 6-round and extended options).

Shipping & FFL

This Polymer80 PF9SS 80% Single-Stack Frame and Jig Kit (Glock 43 Compatible) is not a firearm and does not require transfer through a Federal Firearms License (FFL) dealer. It may be shipped directly to your residence in most states. However, local, state, and federal laws vary. It is your sole responsibility to verify that possession and completion of an 80% frame are legal in your jurisdiction. Some states and localities restrict or prohibit the purchase, possession, or completion of unserialized frames. We strongly recommend consulting with legal counsel before ordering. By purchasing, you confirm that you are legally eligible to own and complete this product. No FFL transfer is required for this item, but any completed firearm must comply with all applicable laws at the time of assembly.