.308 80% Lower – Billet Raw | Polymer80

About this product

Build Your Custom .308 Rifle with Polymer80’s Billet Raw 80% Lower

Start your next high-performance .308 build with the Polymer80 .308 80% raw lower receiver. Crafted from premium billet 6061-T6 aluminum, this unfinished lower offers exceptional durability and strength, allowing you to apply your preferred finish such as Durakote or Cerakote for a personalized look. It does not include Fire/Safe markings, giving you full creative control over the final appearance.

Key Features and Technical Specifications

• Platform: .308 (compatible with LR-308/AR-10 builds)
• Material: Billet 6061-T6 aluminum for superior ruggedness
• Finish: Raw, unfinished for custom coating
• Markings: No Fire/Safe engravings included
• Design: Threaded bolt catch hole (threaded pin not included), broached magwell, and heavy-duty trigger guard
• Origin: 100% made in the USA, ensuring quality and reliability

Compatibility and Usage

This .308 lower receiver is designed for compatibility with standard LR-308/AR-10 platforms. For optimal performance, we recommend using our LR-308/AR-10 lower parts kit, which includes a hammer, trigger, and the necessary threaded pin for easy installation. This ensures a seamless fit and enhances the overall functionality of your build.

Why Choose Polymer80?

As a trusted name in the firearms community, Polymer80 delivers products that meet high standards of craftsmanship and innovation. This billet lower is perfect for enthusiasts and builders looking for a robust, customizable foundation for their .308 rifle projects. Always comply with local laws and regulations when undertaking such builds.