Description
Polymer80 LR-308 80% Lower Receiver: Your Gateway to a Custom AR-10 Build
Unlock the potential of building your own AR-10 style rifle with the Polymer80 LR-308 80% lower receiver. As an 80% lower, this receiver is unfinished, meaning it requires machining to completeāgiving you the freedom to create a firearm tailored to your exact specifications without the need for an FFL transfer in most states. Crafted from high-strength polymer, it offers a lightweight yet durable foundation for your .308 or similar caliber build, compatible with DPMS pattern parts. Whether you’re a seasoned builder or a first-time DIY enthusiast, this lower receiver simplifies the process with its user-friendly design and clear guidelines.
Key Features and Benefits
- Lightweight Polymer Construction: Reduces overall rifle weight without sacrificing durability, making it ideal for hunting, target shooting, or tactical use.
- Easy Machining Process: Designed for straightforward completion with common tools like a drill press or router; includes reference points to guide your work.
- DPMS Pattern Compatibility: Ensures seamless integration with a wide range of AR-10 upper receivers, triggers, and accessories for a reliable build.
- Cost-Effective DIY Solution: Save money compared to completed lowers and avoid FFL fees in eligible areas, all while gaining hands-on experience.
- Customization Ready: Start with a blank canvas to personalize your firearm’s finish, engraving, or component selection for a unique result.
Technical Specifications
Built to meet high standards, this lower receiver features precise moldings that align with industry specifications. It supports .308 Winchester, 6.5 Creedmoor, and similar calibers when paired with compatible uppers. The polymer material resists impact and corrosion, ensuring longevity in various conditions. Note that it does not include a jig or tools; these may be purchased separately for completion.
Why Choose This Polymer80 Lower Receiver?
Expertise in firearm components shows that Polymer80 is a trusted name in 80% receivers, known for innovation and quality. Our experience confirms that this model simplifies builds for enthusiasts, reducing complexity while maintaining performance. By choosing this product, you join a community of builders who value self-reliance and customization. Always check local laws regarding 80% receivers to ensure compliance.
Ideal Uses
- Home Gunsmithing Projects: Perfect for hobbyists looking to learn machining and assembly skills in a controlled environment.
- Custom Rifle Builds: Create a lightweight hunting rifle or precision long-range setup tailored to your needs.
- Educational DIY: Gain insight into firearm mechanics and build a deeper understanding of AR-platform systems.
Why Buy from Florida Gun Store?
At Florida Gun Store, we prioritize your shooting experience with a commitment to quality and service. As authorized dealers, we offer genuine products like this Polymer80 lower, backed by expert advice and fast shipping. Our team includes seasoned enthusiasts who test and verify items, ensuring you receive reliable gear. For more options, explore our AR-10 parts collection to complete your build with confidence.
FAQ: Why Purchase from Us?
- Expert Guidance: We provide personalized support based on years of industry experience to help you make informed decisions.
- Quality Assurance: Every product is sourced from reputable manufacturers and inspected for defects before shipping.
- Fast and Secure Delivery: Enjoy prompt processing and discreet packaging to protect your purchase and privacy.
- Customer-First Approach: We stand by our products with a satisfaction guarantee and responsive customer service.
Start your build today with the Polymer80 LR-308 80% lower receiverāa smart choice for DIY firearm enthusiasts seeking flexibility and performance. Remember to follow all safety guidelines and legal requirements during assembly.

| Material | High-Strength Polymer |
| Compatibility | DPMS Pattern AR-10 |
| Finish | Unfinished (80% Complete) |
| Weight | Approx. Lightweight (varies by build) |
| Caliber Support | .308 Win, 6.5 Creedmoor, and similar |
| Included | Lower Receiver Only (Jig Not Included) |






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