Polymer80 P80-JIG-RL556V3 Jig Kit

The Polymer80 P80-JIG-RL556V3 Jig Kit is a precision-engineered tooling system designed for the assembly of compatible 80% lower receivers. This jig kit provides the necessary alignment and guidance to complete your build with repeatable accuracy. As a dedicated fixture, it eliminates guesswork and ensures proper drilling and routing for a functional fire control group pocket.

Overview

The polymer80 p80-jig-rl556v3 jig kit is the third-generation jig solution from Polymer80, incorporating refinements based on user feedback and manufacturing experience. This kit includes the jig body, drill bits, end mill, and all necessary hardware to complete the machining process on a compatible Polymer80 80% lower. It is designed for use with standard hand tools and a drill press or handheld drill, making it accessible for builders at various skill levels. The jig securely holds the lower receiver in place while indexing critical cut locations for the trigger pocket and pin holes.

Features & Specs

• Precision-machined aluminum and polymer jig body with hardened steel drill bushings for accurate hole placement
• Includes 3/16-inch and 5/32-inch drill bits, a 5/16-inch end mill, and all necessary alignment pins and screws
• Compatible with Polymer80 80% lower receivers designed for the RL556v3 platform; not compatible with forged or billet lowers from other manufacturers
• Reusable design allows for multiple builds when properly maintained and cleaned after use
• Integrated clamping system secures the lower receiver without marring the exterior finish

This polymer80 p80-jig-rl556v3 jig kit provides the exact specifications required to complete a functional lower receiver. The jig body is CNC-machined to tight tolerances, ensuring that the trigger pocket depth and pin hole alignment meet factory specifications. The included cutting tools are carbide-tipped for extended service life and clean cuts in polymer and aluminum materials.

Who It’s For

The Polymer80 P80-JIG-RL556V3 Jig Kit is intended for individuals who are building their own firearm from a Polymer80 80% lower receiver. This includes hobbyists, DIY enthusiasts, and those who prefer to complete their own firearms for personal use. The kit is suitable for builders who own or have access to a drill press or a handheld drill, along with basic tools such as a vise and a set of wrenches. It is not designed for commercial gunsmithing operations or for use with non-Polymer80 lower receivers. Users should have a working understanding of safe firearm assembly practices and be familiar with basic machining principles. This polymer80 p80-jig-rl556v3 jig kit is a single-platform tool, so it is best suited for those who plan to build one or several compatible Polymer80 lowers.

Shipping & FFL

This item is a tool and does not contain any firearm components classified as a receiver or frame under the Gun Control Act. As such, it does not require transfer through a Federal Firearms License (FFL) dealer. The Polymer80 P80-JIG-RL556V3 Jig Kit can be shipped directly to your residence or business address in all states where possession of such tools is lawful. Customers are responsible for understanding and complying with all applicable federal, state, and local laws regarding the purchase and use of this product. The end user bears full responsibility for ensuring that the completed firearm is assembled and possessed in compliance with all legal requirements. No background check or FFL involvement is required for this tool.