Description

Polymer80 AR15 80% Receiver W/ Jig Kit

Build a custom AR-15 platform rifle from the ground up with the Polymer80 AR15 80% Receiver w/ Jig Kit. This complete kit provides the foundation for a legally finished firearm without a serial number, requiring final machining to complete the lower receiver. Designed for the serious builder, this kit includes the 80% receiver and the essential jig system to guide your drilling and routing process with precision. The Polymer80 AR15 80% Receiver w/ Jig Kit represents a practical entry point for those who want full control over their firearm’s configuration and assembly.

Overview

The Polymer80 AR15 80% Receiver w/ Jig Kit is a complete solution for building an unserialized AR-15 lower receiver. The kit includes one unfinished 80% lower receiver machined from high-strength polymer and a dedicated jig system with drill bits and end mill. This polymer80 ar15 80% receiver w/ jig kit eliminates the need to source separate tooling, providing everything necessary to complete the pocket, trigger group, and fire control areas. The receiver is compatible with standard AR-15 mil-spec parts kits, buffer tubes, and upper receivers. This is a true DIY project for those with basic workshop skills.

Features & Specs

• Manufacturer: Polymer80 | Category: Build Kits | Material: Reinforced polymer composite with fiberglass fill
• Includes: One 80% lower receiver, universal jig, drill bits, end mill, and installation hardware
• Compatible with all standard AR-15 mil-spec lower parts kits, buffer tube assemblies, and upper receivers
• Requires basic shop tools: drill press or hand drill, vise, and measuring tools
• Complete jig system indexes off the receiver for repeatable, accurate machining

The Polymer80 AR15 80% Receiver w/ Jig Kit delivers a straightforward build process. The jig clamps directly to the receiver, providing pre-indexed guide holes for drilling the trigger and hammer pin holes, safety selector, and magazine catch. The included end mill allows you to route the fire control pocket to the correct depth. The polymer80 ar15 80% receiver w/ jig kit is designed to reduce the chance of misalignment compared to using separate guide plates or templates. Each receiver is inspected for proper dimensions before leaving the factory.

Who It's For

This kit is intended for individuals who want to build a firearm from an unfinished component, exercise their right to manufacture a firearm for personal use, or learn the mechanical process of receiver completion. It appeals to custom builders who wish to select every component without starting from a serialized lower. The Polymer80 AR15 80% Receiver w/ Jig Kit suits hobbyists with moderate mechanical ability, those who prefer a polymer receiver for weight savings, and anyone seeking a cost-effective entry into the builder market. It is not recommended for complete beginners without access to basic power tools or prior experience with drilling and routing.

Shipping & FFL

This item is an 80% receiver and is not considered a firearm under federal law. It ships directly to your residence without a Federal Firearms License (FFL) transfer. No background check is required at the time of purchase. However, you must comply with all federal, state, and local laws regarding the completion and possession of firearms. Some states and localities restrict or prohibit the manufacture of unserialized firearms or require serialization after completion. It is your sole responsibility to verify that purchasing, possessing, and completing this polymer80 ar15 80% receiver w/ jig kit is legal in your jurisdiction. This retailer makes no representation regarding the legality of this product in your area. By purchasing, you confirm you are legally eligible to own a firearm and will comply with all applicable laws.