Description

RL556V3 80% AR15 Lower – Black

Overview

The RL556V3 80% AR15 lower – black is a precision-machined, uncompleted lower receiver designed for builders who require a clean, mil-spec platform for their AR15 project. Manufactured by RL556V3, this 80% lower is constructed from 7075-T6 aluminum and finished in a durable black anodized coating. It is compatible with standard AR15 upper receivers, buffer tubes, and lower parts kits, offering a reliable foundation for custom builds. The RL556V3 80% AR15 lower – black requires finishing of the trigger pocket and fire control cavity to complete the receiver, making it suitable for personal fabrication using a jig and router or milling machine. This product is classified as a firearm component and does not include a serial number at the time of purchase.

Features & Specs

The RL556V3 80% AR15 lower – black is built to meet mil-spec dimensions and tolerances, ensuring compatibility with standard AR15 components. It is machined from solid 7075-T6 aluminum billet, then Type III hard coat anodized in black for corrosion resistance and long-term durability. The lower includes a flared magazine well for easier reloads, a threaded bolt catch pin, and an oversized trigger guard for use with gloves. All critical areas are pre-drilled and tapped, including the grip screw hole, buffer tube threads, and rear takedown pin detent hole.

• Material: 7075-T6 aluminum, Type III hard coat anodized black
• Compatibility: AR15 mil-spec upper receivers, LPK, buffer tubes, and stocks
• Machining: Pre-drilled and tapped for grip, buffer tube, and trigger guard; uncompleted fire control pocket

Who It’s For

This RL556V3 80% AR15 lower – black is intended for experienced firearm builders who own or have access to a dedicated 80% lower jig and appropriate machining tools. It is ideal for hobbyists, gunsmiths, and DIY enthusiasts who wish to complete a receiver at home without serialization requirements under federal law. This product is not recommended for first-time builders without prior experience in milling or router-based receiver finishing. It is intended for use in states where 80% lowers are legal for personal manufacture, and buyers are responsible for complying with all local, state, and federal regulations regarding firearm construction.

• Experienced AR15 builders with jig and tooling
• Hobbyists seeking a custom, un-serialized lower receiver
• Gunsmiths and tactical enthusiasts building from scratch

Shipping & FFL

The RL556V3 80% AR15 lower – black is classified as a non-firearm component under current ATF regulations and does not require transfer through a Federal Firearms License (FFL) holder for shipment. It may be shipped directly to your residence or business address. However, some states and localities impose restrictions on the purchase or possession of 80% lowers. It is your responsibility to verify that the RL556V3 80% AR15 lower – black is legal to own and complete in your jurisdiction. We recommend checking with your local law enforcement or legal counsel before placing an order. By purchasing this product, you confirm that you are not prohibited from possessing firearms or firearm components under federal or state law. This product is sold as a raw component and is not a finished firearm. No warranty is expressed or implied regarding the ability to complete this receiver into a functional firearm. All sales are final.

• Shipped without FFL transfer; direct to your door
• Buyer must verify local legality before ordering
• No serial number; intended for personal manufacture only