RL556V3 80% AR15 Lower – Gray

The RL556V3 80% AR15 Lower in gray represents a precision-engineered foundation for the discerning builder. Manufactured by RL556V3, this component is categorized as a firearm parts blank, requiring final machining to complete the lower receiver. Constructed from 7075-T6 aluminum, the RL556V3 80% AR15 Lower – Gray offers a durable, corrosion-resistant platform suitable for a range of custom AR15 builds. The gray anodized finish provides a consistent, non-reflective surface that integrates seamlessly with modern rifle aesthetics. This part is designed to meet mil-spec dimensions, ensuring compatibility with standard AR15 upper receivers, buffer tubes, and fire control groups after completion.

Builders seeking a reliable starting point will find the RL556V3 80% AR15 Lower – Gray to be a solid choice. The 80% configuration allows for legal ownership without serialization in most jurisdictions, provided the end user completes the machining process in compliance with local, state, and federal regulations. The RL556V3 80% AR15 Lower – Gray is machined with precision pockets and jig-indexing features to simplify the finishing process, reducing the risk of errors during milling or drilling. This product is ideal for those who prioritize hands-on assembly and customization.

Overview

The RL556V3 80% AR15 Lower – Gray is a semi-finished lower receiver blank that requires the user to complete the trigger pocket, fire control group holes, and selector detent channel. It is manufactured from a solid billet of 7075-T6 aluminum, heat-treated to T6 specification, and hard-coat anodized in flat dark gray. The RL556V3 80% AR15 Lower – Gray is compatible with standard AR15 jigs and can be finished using basic machining tools such as a drill press or router. This part does not include a serial number, as it is not yet a firearm under federal law, though state laws vary. The RL556V3 80% AR15 Lower – Gray is sold as a non-gun component, allowing builders to legally create their own firearm for personal use.

Features & Specs

• Material and Construction: 7075-T6 aluminum billet, heat-treated, and hard-coat anodized in gray per MIL-A-8625 Type III specification. The RL556V3 80% AR15 Lower – Gray weighs approximately 12.5 ounces and features a flared magazine well for easier reloads.
• Machining Specifications: Pre-machined buffer tube threads (1/2-28), rear takedown pin detent hole, and bolt catch recess. The trigger pocket is 80% complete, requiring final depth and hole drilling. The RL556V3 80% AR15 Lower – Gray includes a reinforced front pivot pin lug for enhanced durability under cyclic loads.
• Compatibility and Finish: Mil-spec dimensions ensure compatibility with all standard AR15 components, including LPKs, buffer tubes, and stocks. The gray anodized finish is uniform and scratch-resistant, providing a professional appearance without the need for additional coating.

Who It’s For

The RL556V3 80% AR15 Lower – Gray is intended for experienced firearm builders who possess the necessary tools and knowledge to complete a lower receiver. This product is suitable for hobbyists, gunsmiths, and enthusiasts who prefer to legally manufacture their own AR15 lower for personal use. The RL556V3 80% AR15 Lower – Gray is not recommended for first-time builders without prior machining experience, as improper drilling or milling can render the part unusable. It is also appropriate for those who wish to maintain a low-profile build without serialization, provided state laws permit. The RL556V3 80% AR15 Lower – Gray is a parts component, not a finished firearm, and is sold with the understanding that the buyer will complete it in accordance with all applicable laws.

Shipping & FFL

Because the RL556V3 80% AR15 Lower – Gray is classified as a non-firearm component (not a completed receiver), it can be shipped directly to your residence or business without requiring transfer through a Federal Firearms License (FFL) dealer. No background check is required for purchase or shipping of this product. However, please verify your local and state laws before ordering, as some jurisdictions may regulate 80% lowers or require serialization upon completion. The RL556V3 80% AR15 Lower – Gray is sold with no warranty expressed or implied regarding legal compliance after delivery. Buyers are solely responsible for ensuring their intended use is lawful. Shipping is available to all US states where possession of 80% lowers is legal. This product cannot be returned once the packaging is opened due to safety and regulatory reasons.