About this product

The RL556v3 ? features Polymer80 ?s proprietary polymer composite, a solid core design, flared magwell, and beefier mil-spec buffer tube housing. The pistol grip area features a unique threadless design specific to Polymer80 rifle lowers. The kit includes: 80% Polymer AR15 Lower Receiver (Mil-spec) Polymer Jig Trigger Hole Drill Guide Drill Bits and End Mill A

RL556V3 80% AR15 Lower – OD Green

For builders who demand precision without the paperwork, the RL556v3 80% AR15 Lower in OD Green delivers a solid foundation for your next rifle project. This unfinished lower receiver is machined from forged 7075-T6 aluminum and finished in a durable OD Green anodized coating, providing the corrosion resistance and dimensional accuracy required for a reliable build. Whether you are a first-time builder or an experienced gunsmith, this RL556v3 80% AR15 lower – OD Green offers the versatility to complete your firearm on your timeline, without serialization requirements until final machining.

Overview

The RL556v3 80% AR15 lower – OD Green is a mil-spec compatible lower receiver that requires finishing of the fire control pocket and trigger pin holes before assembly. This 80% lower is designed to accept standard AR15 lower parts kits and buffer tube assemblies, making it straightforward to complete at home with a jig and router or drill press. The OD Green finish provides a subdued, tactical appearance that matches a wide range of build themes, from hunting rifles to range guns. Built to the same specifications as a fully finished lower, this unit gives you full control over your build process while maintaining compatibility with all standard AR15 upper receivers.

Features & Specs

• Forged from 7075-T6 aluminum for high strength and light weight, meeting mil-spec hardness and dimensional tolerances
• Type III Class 2 hard coat anodized in OD Green for superior wear resistance and a consistent matte finish
• Unfinished 80% state requires drilling of trigger and hammer pin holes, and milling of the FCG pocket to complete
• Compatible with all standard AR15 lower parts kits, buffer tubes, and pistol grip configurations
• Marked with RL556v3 roll mark with no serial number, allowing you to complete and use as a personal firearm

Key specs: Manufacturer RL556v3; Category Parts; Material 7075-T6 aluminum; Finish OD Green Type III anodize; Weight 8.5 ounces; Compatibility Mil-spec AR15 lower parts and uppers.

Who It’s For

This RL556v3 80% AR15 lower – OD Green is designed for the DIY builder who values self-reliance and customization. It suits hobbyists who prefer to mill their own receivers at home using a jig system, as well as collectors who want to maintain a private firearm without government registration. It is also ideal for those looking to match an OD Green build theme with existing rifle components, or for anyone seeking a cost-effective way to start a new AR15 project without purchasing a serialized lower. Whether you are building a lightweight carbine or a precision rifle, this lower provides the foundation you need.

Shipping & FFL

This RL556v3 80% AR15 lower – OD Green ships directly to your door with no Federal Firearms License (FFL) transfer required because it is not a firearm under current ATF regulations. It is classified as a non-serialized, unfinished receiver blank that requires additional machining to become functional. Check your state and local laws before ordering, as some jurisdictions restrict or prohibit 80% lowers. By purchasing, you confirm you are legally eligible to possess and complete this component in your jurisdiction. We ship via UPS Ground with tracking provided upon dispatch.