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RL556v3 80% AR15 Lower – Gray

Original price was: $89.00.Current price is: $66.02.

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 M

SKU: px-1250-rl556v3-80-ar15-lower-gra-c71597 Categories: ,
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Description

RL556V3 80% AR15 Lower – Gray

Overview

The RL556V3 80% AR15 Lower – Gray is an unfinished lower receiver designed for builders who demand precision and reliability. Manufactured by RL556V3, this 80% lower provides a clean, unmarked starting point for custom AR15 builds. Machined from 7075-T6 aluminum with a hardcoat anodized gray finish, the RL556V3 80% AR15 Lower – Gray offers a solid foundation without serialization or pre-drilled fire control pockets, keeping you in full control of the completion process. Whether you are assembling a dedicated match rifle or a lightweight patrol carbine, this lower delivers the dimensional accuracy needed for reliable function.

Features & Specs

  • Manufacturer: RL556V3 – precision-machined to mil-spec dimensions for compatibility with standard AR15 upper receivers and parts kits.
  • Material: 7075-T6 aluminum with a durable Type III Class 2 hardcoat anodized finish in gray, providing corrosion resistance and wear protection.
  • 80% completion: All critical exterior geometry is finished; user must complete the trigger pocket, hammer pin holes, and safety selector detent channel.

The RL556V3 80% AR15 Lower – Gray is jig-ready and requires standard endmill and drill press tooling to finish. Tolerances are held to within 0.002 inches for consistent fitment with drop-in trigger groups and buffer tubes. The gray anodizing is uniform and non-reflective, suitable for both tactical and competition builds.

Who It’s For

The RL556V3 80% AR15 Lower – Gray is intended for experienced builders and hobbyists who have the tools and knowledge to complete an 80% lower receiver. If you are familiar with firearm assembly, understand ATF regulations regarding unfinished receivers, and want a cost-effective, serial-number-free lower for personal use, this product fits your needs. It is not recommended for first-time builders without guidance, as improper machining can affect safety and reliability. This lower is ideal for those building a dedicated gray-themed rifle or matching a specific cerakote or anodized upper.

Shipping & FFL

This RL556V3 80% AR15 Lower – Gray is classified as an unfinished receiver and does not require transfer through a Federal Firearms License (FFL) for shipment within the United States. However, it is your responsibility to verify that your state and local laws permit ownership and completion of 80% lowers. Some states and municipalities have specific restrictions or require serialization upon completion. We ship to all US states where such items are legal, using discreet packaging with adult signature required. No FFL transfer is needed for this item, but we recommend consulting with your local law enforcement or attorney before purchasing if you are uncertain about applicable regulations.

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