Polymer80 AR15 80% Receiver w/ Jig Kit

For builders who demand control over every component of their rifle, the Polymer80 AR15 80% Receiver w/ Jig Kit provides the foundation for a completely custom build. This kit delivers the essential starting point for a legally manufactured firearm, combining a precision-machined 80% lower receiver with a complete drilling and finishing jig system. Whether you are starting your first build or adding to your inventory, this kit offers the reliability and compatibility expected from a top-tier manufacturer.

Overview

The Polymer80 AR15 80% Receiver w/ Jig Kit is engineered for the serious builder. This kit includes the unfinished lower receiver, which requires final machining to become a functional firearm component, along with the necessary jig and tooling to complete the process. Designed to mil-spec dimensions, this receiver accepts standard AR-15 lower parts kits, buffer tubes, and stocks, ensuring seamless integration with your chosen components. The polymer construction provides a lightweight yet durable platform, while the integrated jig system simplifies the finishing process, reducing the potential for error. This is not a complete lower; it is the starting block for a rifle built exactly to your specifications.

Features & Specs

Every Polymer80 AR15 80% Receiver w/ Jig Kit is manufactured to precise tolerances, ensuring a proper fit with upper receivers and trigger groups. The kit includes the jig, drill bits, and end mill required to complete the fire control cavity and trigger pin holes. The receiver itself is constructed from reinforced polymer, offering impact resistance and dimensional stability. Key specifications include compatibility with standard AR-15 components, a standard trigger guard, and a reinforced buffer tower for enhanced durability. The jig system is reusable, making it a cost-effective option for multiple builds.

• Reinforced polymer construction for lightweight durability and corrosion resistance.
• Includes complete jig system with drill bits, end mill, and alignment pins for precise finishing.
• Accepts all standard AR-15 lower parts kits, stocks, and grips without modification.

Who It Is For

This product is designed for the experienced firearm builder who understands the legal and technical requirements of completing an 80% receiver. It is suitable for individuals who wish to construct a firearm for personal use, without the need for a serialized, FFL-transferred receiver. The kit is ideal for those who value hands-on assembly and want to customize every aspect of their rifle, from trigger feel to stock configuration. It is not intended for novice assemblers lacking the necessary tools or knowledge to safely and accurately complete the machining process. This kit is for the builder who takes pride in their work and demands a high-quality starting point.

• Appropriate for builders with experience using power tools and following detailed machining instructions.
• Best suited for those who want to create a custom AR-15 from the ground up, selecting every component personally.
• Not recommended for individuals who are not comfortable with drilling, milling, or finishing firearm components.

Shipping & FFL

This Polymer80 AR15 80% Receiver w/ Jig Kit is classified as an unfinished firearm component and does not require transfer through a Federal Firearms License (FFL) dealer for shipment. However, the purchaser is solely responsible for complying with all federal, state, and local laws regarding the possession and completion of 80% receivers. Some states and localities may restrict or prohibit the sale or possession of such items. It is your responsibility to verify that you are legally permitted to purchase, possess, and complete this product in your jurisdiction. By purchasing this item, you confirm that you are legally eligible to own a firearm under federal law and that you will complete the receiver only for personal use, not for sale or distribution. We will ship this item directly to your provided address, subject to our shipping policy and any applicable legal restrictions.

• No FFL transfer required for shipment to most states, but check local laws before ordering.
• Buyer assumes all liability for compliance with applicable laws regarding 80% receiver possession and completion.
• This product cannot be shipped to jurisdictions where it is prohibited by law.