RL556v3 80% AR-15 Lower Receiver – Black: Your Foundation for a Custom Build
Take control of your firearms project with the RL556v3 80% AR-15 lower receiver in sleek black. This unfinished firearm frame serves as the essential starting point for building a personalized AR-15 rifle, designed for enthusiasts who value customization and hands-on craftsmanship. As an 80% lower, it requires final machining to become a functional receiver, offering a rewarding DIY experience while complying with applicable regulations.
Key Features and Benefits
- Unfinished Design: This 80% lower receiver is not classified as a firearm until completed, providing flexibility for legal home builds in many jurisdictions (always verify local laws).
- Durable Construction: Made from high-quality materials to ensure reliability and longevity in your custom AR-15.
- Compatibility: Designed to work with standard AR-15 parts and accessories, making it easy to source components for your build.
- Customization Potential: Start with a blank canvas to create a rifle tailored to your specific needs, whether for sport, hunting, or collection.
Why Choose Republic Arms WA for Your Firearms Needs?
At Republic Arms WA, we are committed to providing quality products and expert guidance for firearms enthusiasts. Our team has extensive experience in the industry, ensuring you receive reliable components and trustworthy service. We prioritize customer education and compliance, helping you make informed decisions for your projects.
Frequently Asked Questions (FAQ)
Why Buy From Us?
- Expertise: We specialize in firearms components and offer knowledgeable support to assist with your build questions.
- Quality Assurance: Every product, including this RL556v3 lower, is sourced from reputable manufacturers to meet high standards.
- Customer Trust: With a focus on transparency and compliance, we ensure a smooth purchasing experience for DIY builders.
- Community Focus: We support the firearms community by providing accessible parts for legal custom projects.
Specifications and Details
This RL556v3 lower receiver is designed for AR-15 platforms, featuring a standard footprint for easy integration. It is ideal for those with machining skills or access to tools to complete the final 20% of work. Always consult local laws and regulations regarding unfinished receivers before purchase and completion.

Note: This product requires machining to become a functional firearm component. It is sold as a piece of metal and not as a firearm. Ensure you have the necessary tools, skills, and legal permissions to complete it.
| Model | RL556v3 |
| Type | 80% AR-15 Lower Receiver |
| Color | Black |
| Material | High-Quality Metal/Alloy |
| Compatibility | Standard AR-15 Parts |
| Status | Unfinished (Requires Machining) |
| Intended Use | Custom Firearm Builds |





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