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

For builders who demand reliability without the paperwork, the Polymer80 RL556V3 – Rhino 80% AR15 Lower Receiver and RL556V3 Jig Kit Bundle delivers a complete foundation for your next AR15 platform. This bundle combines the RL556V3 Rhino lower receiver with the dedicated RL556V3 jig kit, providing everything needed to complete the 80% machining process. The RL556V3 Rhino lower is compatible with standard AR15 mil-spec parts, allowing you to build a firearm that meets your exact specifications. This bundle streamlines the build process, eliminating the guesswork of sourcing compatible components.

Overview

The Polymer80 RL556V3 – Rhino 80% AR15 Lower Receiver and RL556V3 Jig Kit Bundle is engineered for the serious DIY builder. The Rhino lower receiver features reinforced front and rear takedown pin bosses, a flared magazine well for faster reloads, and an integrated trigger guard. The included RL556V3 jig kit provides precise alignment and drilling guides, making the completion process straightforward. This bundle is designed to work with standard AR15 lower parts kits and buffer tubes, ensuring broad compatibility. Each component is manufactured to tight tolerances, reducing the risk of fitment issues during assembly.

Features & Specs

• Polymer80 RL556V3 Rhino 80% lower receiver constructed from reinforced polymer composite for impact resistance and dimensional stability
• Integrated trigger guard eliminates a separate installation step and enhances structural integrity
• Flared magazine well accommodates rapid reloads and works with standard AR15 magazines
• Reinforced front and rear takedown pin bosses increase durability at high-stress points
• RL556V3 jig kit includes hardened steel drill bushings, alignment blocks, and hardware for precise pocket and pin hole completion
• Compatible with mil-spec AR15 lower parts kits, buffer tube assemblies, and upper receivers
• Manufacturer: Polymer80 | Category: Build Kits

The RL556V3 jig kit features numbered drill bushings that correspond to specific machining steps, reducing the chance of operator error. The lower receiver is pre-tapped for all standard grip and stock mounting points, allowing for customization without additional tooling. Each unit is inspected for consistent wall thickness and trigger pocket dimensions before packaging. This bundle represents a complete solution for the polymer80 rl556v3 – rhino 80% ar15 lower receiver and rl556v3 jig kit bundle, with no additional tools required beyond a drill press and basic hand tools.

Who It Is For

This bundle is designed for the intermediate to advanced firearm builder who wants to complete an AR15 lower receiver at home. It is suitable for hobbyists who prefer hands-on assembly over purchasing a finished firearm. The RL556V3 Rhino lower is ideal for those who value customization, as it accepts any mil-spec AR15 components. This bundle is not for first-time builders without access to a drill press or basic machining skills. It is intended for individuals legally permitted to manufacture firearms for personal use in compliance with all applicable federal, state, and local laws. The polymer80 rl556v3 – rhino 80% ar15 lower receiver and rl556v3 jig kit bundle is a practical choice for builders who want a complete package with matching components.

Shipping & FFL

This product ships directly to your residence or chosen address within the United States. No Federal Firearms License (FFL) transfer is required for this 80% lower receiver, as it is not classified as a firearm under federal law. However, it is your responsibility to verify that possession and completion of this product are legal in your jurisdiction. Some states and localities impose restrictions on unfinished receivers. By purchasing the polymer80 rl556v3 – rhino 80% ar15 lower receiver and rl556v3 jig kit bundle, you acknowledge that you are in compliance with all applicable laws. We recommend consulting legal counsel if you have questions about your specific situation. Standard shipping rates apply, and expedited options are available at checkout.