RL556V3 80% AR15 Lower – Flat Dark Earth

The RL556v3 80% AR15 Lower in Flat Dark Earth represents a foundational component for builders seeking a Mil-Spec platform with enhanced ergonomics. This un-machined lower receiver is designed for the end-user who wishes to complete the firearm through their own finishing process, adhering to all applicable federal regulations regarding 80% receivers. Constructed from 7075-T6 aluminum and finished with a durable Type III hard coat anodize in Flat Dark Earth, the RL556v3 80% AR15 lower provides a corrosion-resistant base for a wide range of AR15 pistol or rifle configurations. This component is compatible with standard AR15 upper receivers, lower parts kits, and buffer systems, offering a straightforward path to a custom build.

Overview

The RL556v3 80% AR15 lower – Flat Dark Earth is a precision-forged 80% receiver that requires final machining of the fire control pocket, trigger pin holes, and selector detent channel before assembly. This model includes an integrated trigger guard and a flared magazine well for improved reload speed. The Flat Dark Earth finish provides a non-reflective surface that matches a variety of camouflage and tactical color schemes. As a Category: Parts item from RL556v3, this lower is designed to meet or exceed Mil-Spec dimensions for reliable fitment with all standard AR15 components. The receiver is marked with model and caliber designations per manufacturing standards.

Features & Specs

• Material: Forged 7075-T6 aluminum with Type III Class 2 hard coat anodize in Flat Dark Earth
• Machining Required: 80% completion status; user must complete fire control pocket, trigger/hammer pin holes, and selector detent channel
• Compatibility: Accepts all standard AR15 lower parts kits, buffer tubes, and stocks; compatible with Mil-Spec upper receivers

The RL556v3 80% AR15 lower – Flat Dark Earth includes an integral trigger guard that eliminates the need for a separate trigger guard assembly and reduces potential failure points. The rear takedown pin detent hole is pre-drilled and tapped for a set screw, allowing for retention of the spring and detent without a buffer tube. The receiver features a flared magazine well with a beveled opening for faster magazine changes under stress. All critical dimensions for the bolt catch, magazine catch, and safety selector are pre-machined to Mil-Spec tolerances. The Flat Dark Earth anodizing process provides consistent color across the entire receiver surface while maintaining hardness specifications per MIL-A-8625.

Who It’s For

This component is intended for the experienced firearms builder who possesses the necessary tools and skills to complete an 80% lower receiver. The RL556v3 80% AR15 lower – Flat Dark Earth is suitable for hobbyists, competitive shooters, and those building a custom platform for personal use who wish to perform the finishing operations themselves. This product is not for the novice builder without access to a drill press, end mill, or jig system designed for AR15 80% receivers. The user assumes full responsibility for ensuring compliance with all local, state, and federal laws regarding the manufacture and possession of firearms. This receiver is not a functional firearm and must be machined to completion before it can be assembled with other components.

Shipping & FFL

This RL556v3 80% AR15 lower – Flat Dark Earth is classified as a non-firearm component and may be shipped directly to your residence without an FFL transfer. No federal firearms license is required for purchase or possession of this 80% receiver. However, the purchaser is responsible for verifying that their state and local laws permit the possession and finishing of 80% lower receivers. Some states and municipalities have specific restrictions or registration requirements for 80% receivers. By purchasing this product, you acknowledge that it is your legal responsibility to comply with all applicable laws. Shipment is made via UPS or FedEx with adult signature required. International shipping is not available.