Description
Polymer80 RL556v3 80% AR-15 Lower Receiver – Gray
Take your AR-15 build to the next level with the Polymer80 RL556v3 80% lower receiver in sleek gray. Designed for firearm enthusiasts who value customization and legal compliance, this unfinished lower receiver provides the foundation for creating a personalized rifle. As an 80% lower, it requires final machining to become a functional firearm component, making it ideal for DIY builders who enjoy hands-on projects.
Key Features and Benefits
- High-Strength Polymer Construction: Built from durable polymer materials that withstand rigorous use while maintaining lightweight properties for enhanced portability.
- Easy Completion Process: Designed with user-friendly machining guidelines, allowing hobbyists to finish the lower with basic tools and minimal gunsmithing experience.
- Universal AR-15 Compatibility: Works seamlessly with standard AR-15 upper receivers, trigger groups, and accessories for versatile build options.
- Modern Gray Finish: The attractive gray color provides a contemporary look that complements various upper receiver finishes and stock configurations.
- Legal 80% Status: Ships as an unfinished component, complying with federal regulations for home-built firearms when completed by the end user.
Technical Specifications
| Model | RL556v3 |
| Caliber Compatibility | 5.56 NATO / .223 Remington |
| Material | High-Strength Polymer |
| Color | Gray |
| Completion Status | 80% Lower (Requires Machining) |
| Platform | AR-15 |
| Weight | Approximately 8 oz (unfinished) |
Why Choose This 80% Lower Receiver?
Building your own AR-15 from an 80% lower offers numerous advantages. You gain complete control over the manufacturing process, ensuring quality and customization at every step. The Polymer80 RL556v3 eliminates the need for FFL transfers during purchase, though users must comply with all local and federal laws when completing the firearm. This gray lower receiver serves as the perfect starting point for creating a unique rifle that reflects your personal preferences and shooting needs.
Completion Requirements
This 80% lower receiver requires specific tools and skills to complete. You’ll need a drill press or milling machine, appropriate jigs (sold separately), and basic machining knowledge. Always follow manufacturer guidelines and safety protocols during completion. The finished lower will accept standard AR-15 parts kits, allowing for full customization of trigger systems, stocks, and pistol grips.
Why Buy From Firearms Ohio Gun Shop?
Frequently Asked Questions
- Why should I purchase from your shop? At Firearms Ohio, we combine extensive firearms expertise with exceptional customer service. Our team includes experienced shooters and builders who understand your needs and can provide knowledgeable support throughout your purchase and building process.
- What makes your service different? We prioritize customer education and legal compliance, ensuring you have the information needed to complete your project successfully and within all applicable laws.
- Do you stand behind your products? Absolutely. We carefully select our inventory from reputable manufacturers like Polymer80 and offer support to ensure customer satisfaction with every purchase.
Start your custom AR-15 build today with the reliable Polymer80 RL556v3 80% lower receiver. Whether you’re creating a home defense weapon, competition rifle, or recreational shooting platform, this gray lower provides the solid foundation for a firearm you’ll be proud to call your own.
| Model | RL556v3 |
| Caliber Compatibility | 5.56 NATO / .223 Remington |
| Material | High-Strength Polymer |
| Color | Gray |
| Completion Status | 80% Lower (Requires Machining) |
| Platform | AR-15 |
| Weight | Approximately 8 oz (unfinished) |






Reviews
There are no reviews yet.