Polymer80 RL556V3 – Rhino 80% AR15 Lower Receiver and RL556v3 Jig Kit Bundle

For the hands-on builder who values precision and control, the polymer80 rl556v3 – rhino 80% ar15 lower receiver and rl556v3 jig kit bundle delivers exactly what you need to complete your next AR-15 project from the ground up. This bundle combines Polymer80’s rugged RL556V3 lower receiver with the dedicated RL556v3 jig kit, giving you a complete setup for milling, drilling, and finishing your 80% lower at home. Whether you are new to the build process or a seasoned veteran, this kit streamlines the workflow and keeps everything consistent from start to finish.

Overview

The polymer80 rl556v3 – rhino 80% ar15 lower receiver and rl556v3 jig kit bundle is designed for builders who want a reliable, repeatable platform without the guesswork. The RL556V3 lower is made from reinforced polymer, engineered to hold tight tolerances and withstand the rigors of regular use. The included jig kit matches the receiver precisely, so you can focus on the build rather than measuring and aligning. This bundle covers the foundation of your AR-15 lower, letting you choose your own trigger, grip, stock, and upper components to create a rifle that fits your shooting style.

Features & Specs

This bundle comes ready to work, with everything you need to finish one lower receiver. The RL556V3 lower features a reinforced trigger pocket area, a flared magazine well for faster reloads, and a threaded bolt catch pin for easier installation. The jig kit includes hardened steel drill bushings, a drill guide block, and indexing pins that keep your cuts straight and your holes centered. Here are the key specs and features:

• RL556V3 80% lower receiver: reinforced polymer construction, compatible with standard AR-15 LPK and buffer tube assemblies
• RL556v3 jig kit: includes drill guide block, steel bushings, indexing pins, and end mill guide for the trigger pocket
• Requires standard tools: drill press or hand drill, router or end mill, and basic shop tools to complete the lower
• Integrated trigger guard, flared magwell, and textured grip area for improved handling
• Manufactured by Polymer80, a trusted name in the 80% receiver market

When you purchase the polymer80 rl556v3 – rhino 80% ar15 lower receiver and rl556v3 jig kit bundle, you are getting a matched set that eliminates common fitment issues. The jig is designed specifically for this receiver, so there is no need to modify or shim components during the build. This direct compatibility saves time and reduces frustration, especially if you are working on your first 80% lower.

Who It Is For

This bundle is ideal for the DIY firearm builder who wants to complete an AR-15 lower without the need for a serialized receiver. It is well-suited for hobbyists who enjoy the mechanical process of milling and assembling, as well as shooters who want a custom rifle built to their exact specifications. The polymer80 rl556v3 – rhino 80% ar15 lower receiver and rl556v3 jig kit bundle is also a practical choice for those who prefer to buy components in stages, allowing you to spread out the cost of the build. Whether you are building a lightweight field rifle, a competition gun, or a dedicated range toy, this bundle gives you the foundation to start with confidence.

• Home builders who want a complete lower receiver and jig in one package
• Shooters looking to customize their AR-15 without buying a serialized lower
• Anyone who values a direct-fit jig system that reduces setup time

• Not recommended for those who prefer a fully assembled, ready-to-shoot lower
• Requires basic mechanical skills and access to common shop tools
• Does not include upper receiver, barrel, or other components

Shipping & FFL

The polymer80 rl556v3 – rhino 80% ar15 lower receiver and rl556v3 jig kit bundle ships as a non-serialized 80% receiver and jig kit. Because this is not a completed firearm, it does not require transfer through a Federal Firearms License (FFL) dealer and can be shipped directly to your door in most states. However, you must check your local and state laws before ordering, as some jurisdictions restrict or prohibit the possession or completion of 80% receivers. By purchasing this product, you confirm that you are legally allowed to own and complete an 80% lower receiver in your area. We do not provide legal advice, and it is your responsibility to comply with all applicable laws.