Polymer80 AR-10 LR308 80% Polymer Lower Receiver – White
Unlock the potential of custom firearm building with the Polymer80 AR-10 LR308 80% Polymer Lower Receiver in white. Designed for enthusiasts and builders who value precision, durability, and ease of customization, this lower receiver serves as the core component for creating a personalized AR-10 rifle. Crafted from high-strength polymer, it offers a lightweight alternative to traditional metal receivers without compromising on reliability.
Why Choose This Polymer80 Lower Receiver?
As experts in firearm components, we recommend this product for its innovative design and user-friendly features. The 80% completion status means it requires minimal machining to finish, making it accessible for DIY gunsmiths while complying with regulations. The white finish not only adds a sleek aesthetic but also provides a blank canvas for custom cerakoting or painting to match your unique style.
Key Features and Benefits
- Lightweight Polymer Construction: Reduces overall rifle weight for improved handling and portability, ideal for hunting or tactical use.
- 80% Completion: Allows for legal home finishing with basic tools, empowering builders to create a firearm tailored to their specifications.
- AR-10 LR308 Compatibility: Designed to work seamlessly with standard AR-10 parts and accessories, ensuring easy assembly and customization.
- Durable White Finish: Resists wear and corrosion while offering a modern look that stands out from traditional black receivers.
- Precision Molding: Engineered for tight tolerances to ensure reliable fit and function with upper receivers and internal components.
Technical Specifications
This lower receiver is built to meet the demands of serious shooters. It features reinforced stress points for enhanced durability and includes pre-milled areas to guide the finishing process. The design accommodates standard AR-10 fire control groups, buffer tubes, and stocks, making it a versatile foundation for various builds.
Ideal Applications
Whether you’re constructing a long-range precision rifle, a hunting firearm, or a tactical setup, this Polymer80 lower receiver provides a reliable base. Its polymer material reduces recoil transfer and is less prone to temperature-related expansion, contributing to consistent performance in diverse conditions.
Why Buy from Texas Gun Store?
At Texas Gun Store, we combine expertise with a commitment to customer satisfaction. Our team includes experienced firearms enthusiasts who test and vet products to ensure quality. We offer fast shipping, secure transactions, and dedicated support to guide you through your build process. Trust us for authentic products and authoritative advice on all your firearm needs.
Ready to start your AR-10 project? This Polymer80 lower receiver is in stock and backed by our reputation for reliability. For more options, explore our AR-10 parts and accessories to complete your build.

FAQ: Why Buy from Us?
- Expertise: Our staff has hands-on experience with firearm builds, providing trustworthy recommendations.
- Quality Assurance: We source products from reputable manufacturers like Polymer80 to ensure durability and performance.
- Customer Support: From selection to assembly, we’re here to assist with any questions or concerns.
- Fast Shipping: Based in Texas, we deliver quickly across the U.S. to get your parts to you promptly.
- Secure Shopping: Your transactions are protected with industry-standard security measures.
| Material | High-Strength Polymer |
| Finish | White |
| Completion Status | 80% (Requires Machining to Finish) |
| Compatibility | AR-10 / LR308 Platform |
| Weight | Approx. 8 oz (Lightweight Design) |
| Dimensions | Standard AR-10 Lower Receiver Size |
| Included | Lower Receiver Only (No Internal Parts) |
| Brand | Polymer80 |





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