Polymer80 RL556V3 RHINO 80% AR-15 Lower Receiver: Your DIY Build Foundation
Embark on your custom AR-15 project with the Polymer80 RL556V3 RHINO 80% lower receiver. Crafted from high-strength polymer, this receiver offers a lightweight and robust base for building your rifle from the ground up. As an 80% lower, it requires finishing by the user, making it ideal for hobbyists who enjoy hands-on gunsmithing and want full control over their firearm’s assembly. With its compatibility with standard AR-15 components, you can easily pair it with upper receivers, triggers, and stocks to create a personalized setup tailored to your needs.
Key Features and Benefits
- Durable Polymer Construction: Made from reinforced polymer, this lower receiver is resistant to corrosion and impacts, ensuring long-lasting performance in various conditions while keeping your build lightweight.
- Easy to Finish Design: As an 80% lower, it comes partially machined, allowing you to complete the fire control group pocket with basic tools. This empowers you to learn and engage in the building process, adding a sense of accomplishment.
- Broad Compatibility: Designed to work seamlessly with most AR-15 parts, including uppers, bolts, and magazines, so you can customize your rifle without compatibility concerns.
- Ergonomic and Lightweight: Weighing less than traditional metal lowers, it reduces overall rifle weight, making it easier to handle during extended use, whether for target shooting or hunting.
Why Choose This Polymer80 Lower Receiver?
At DC Gun Shop, we understand the importance of quality components for your firearms. The Polymer80 RL556V3 is built to meet high standards, offering a cost-effective solution for builders who value durability and ease of use. Its polymer makeup doesn’t compromise on strength—it’s engineered to withstand recoil and regular use, giving you peace of mind. Plus, by finishing it yourself, you gain valuable experience in firearm assembly, enhancing your skills as a gun owner.
Specifications and Technical Details
Refer to the table below for key specifications that highlight the receiver’s design and capabilities.
| Material | High-Strength Polymer |
| Compatibility | AR-15 Platform |
| Finish | Unfinished (80% Complete) |
| Weight | Approx. 0.5 lbs |
| Color | Black |
| Model | RL556V3 RHINO |
Ideal Uses and Applications
This lower receiver is perfect for a range of activities, from home defense setups to recreational shooting. Its lightweight nature makes it suitable for builds where portability is key, such as in tactical scenarios or hunting trips. By using this receiver, you’re not just assembling a firearm; you’re creating a tool that reflects your preferences and needs.
Why Buy From DC Gun Shop?
We pride ourselves on offering reliable products and expert support. As your trusted source for firearm parts, we ensure that every item, like this Polymer80 lower, meets rigorous standards. Our team is here to assist with any questions, helping you make informed decisions for your projects. Shop with confidence knowing you’re dealing with a reputable dealer committed to your satisfaction.
FAQ: Why Buy From Us?
- Expertise and Trust: With years of experience in the firearms industry, we provide accurate product information and guidance, ensuring you get the right parts for your build.
- Quality Assurance: All products are carefully selected and tested for performance, so you can rely on their durability and functionality.
- Customer Support: We offer personalized assistance and fast shipping, making your shopping experience smooth and hassle-free. Visit our DC Gun Shop website for more details and to explore our full range of AR-15 components.
In summary, the Polymer80 RL556V3 RHINO 80% lower receiver is an excellent choice for anyone looking to build a custom AR-15. Its combination of durability, ease of use, and compatibility makes it a standout option. Order yours today from DC Gun Shop and start crafting the rifle of your dreams!
| Material | High-Strength Polymer |
| Compatibility | AR-15 Platform |
| Finish | Unfinished (80% Complete) |
| Weight | Approx. 0.5 lbs |
| Color | Black |
| Model | RL556V3 RHINO |
Frequently Asked Questions – Polymer80 RL556V3 RHINO 80% AR-15 Lower Receiver - Unfinished Build Kit
- How fast does this ship?
- Ships in 1‑3 business days to your licensed D.C. FFL dealer after purchase and registration.
- Do I need registration?
- Yes. DC requires firearm registration, including a mandatory 10‑day waiting period after purchase approval from MPD before pickup. Handguns require registration, magazines <=10 rounds.
- Is this legal in D.C.?
- Yes, provided it complies with D.C. law (registered, no assault features, magazine ≤10 rounds).
- Is the Polymer80 RL556V3 RHINO 80% AR-15 Lower Receiver - Unfinished Build Kit suitable for me?
- This Polymer80 RL556V3 RHINO 80% AR-15 Lower Receiver - Unfinished Build Kit is popular for uses like new arrivals.
- Popular searches by customers

Reviews
There are no reviews yet.