Description
Polymer80 RL556v3 80% AR-15 Lower Receiver – Black
Take your AR-15 build to the next level with the Polymer80 RL556v3 80% lower receiver. Crafted from high-strength polymer, this unfinished lower provides a solid foundation for creating a custom firearm tailored to your specifications. As an 80% lower, it requires final machining to become a functional receiver, giving you the freedom to complete it legally without serialization in most jurisdictions. Whether you’re a seasoned gunsmith or a DIY enthusiast, the RL556v3 offers reliability and ease of use for your project.
Key Features and Benefits
- Durable Polymer Construction: Made from robust materials that resist impact and wear, ensuring long-lasting performance in various conditions.
- Easy Machining with Jigs: Designed for compatibility with standard AR-15 jigs, simplifying the finishing process for hobbyists and professionals alike.
- Legal Flexibility: As an 80% lower, it’s not classified as a firearm until completed, allowing for personalization without immediate regulatory hurdles.
- Lightweight Design: Weighs less than traditional metal lowers, reducing overall firearm weight for improved handling and portability.
- Cost-Effective Solution: Priced affordably at $85, it’s an economical choice for building a custom AR-15 without compromising on quality.
Specifications and Compatibility
The RL556v3 is engineered to meet standard AR-15 specifications, ensuring seamless integration with upper receivers, triggers, and other components. Its black finish not only looks sleek but also provides a subtle, non-reflective surface ideal for tactical or recreational use. Note that this product is intended for legal purposes only; always check local laws regarding 80% lowers before purchase and completion.
Why Choose This 80% Lower?
Building your own AR-15 allows for complete customization, from trigger groups to stocks. The Polymer80 RL556v3 empowers you to create a firearm that fits your exact needs, whether for hunting, sport shooting, or personal defense. Its user-friendly design means you don’t need advanced tools to get started—just a basic jig and milling machine. Plus, the satisfaction of assembling your own rifle adds a personal touch that off-the-shelf options can’t match.
Frequently Asked Questions (FAQ)
Why Buy From Firearms Ohio Gun Shop?
At Firearms Ohio, we combine expertise with a commitment to customer trust. Our team has years of experience in the firearms industry, ensuring you receive authoritative advice and high-quality products. We prioritize safety and legality, offering guidance on compliant builds and standing by our products with reliable support. Shop with confidence knowing we’re dedicated to your shooting success.
What Tools Are Needed to Complete This Lower?
You’ll typically need a drill press or router, a compatible jig (sold separately), and basic machining tools. We recommend following manufacturer guidelines and safety protocols during completion.
Is This Lower Compatible with Standard AR-15 Parts?
Yes, the RL556v3 is designed to work with most mil-spec AR-15 components, including uppers, bolts, and triggers, making part sourcing straightforward.
Elevate your AR-15 build with the Polymer80 RL556v3 80% lower receiver. Order today and start crafting a firearm that reflects your skills and preferences!
| Model | RL556v3 |
| Type | 80% AR-15 Lower Receiver |
| Color | Black |
| Material | High-Strength Polymer |
| Completion Required | Yes (Machining Needed) |
| Compatibility | Standard AR-15 Components |
| Weight | Lightweight Polymer Design |






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