AR9 80% Lower Fire/Safe Marked – 9mm – Billet | Polymer80

About this product

AR9 80% Lower Receiver for 9mm Builds

Introducing the AR9 80% Lower Receiver, expertly crafted from 6061-T6 billet aluminum using CNC machining for unparalleled precision. This lower receiver is designed specifically for 9mm Parabellum rounds, featuring Type III hardcoat anodizing for durability and a matte black finish. It includes Fire/Safe markings for authenticity and an enlarged magazine well with ramps for swift reloads, ensuring compatibility with GLOCK® OEM and Elite Tactical Systems magazines.

Technical Specifications

• Caliber Compatibility: 9mm Parabellum
• Material: Billet 6061-T6 Aluminum
• Finish: Type III Hardcoat Anodizing, Matte Black
• Fitment: 100% Mil-Spec
• Features: Integrated trigger guard, flared magwell, Fire/Safe engraving
• Origin: 100% Made in the USA

Compatibility and Assembly

This lower receiver works seamlessly with standard AR-15 lower parts kits and buffer tubes, making it easy to complete your build. For a reliable setup, pair it with a 9mm upper assembly. As a trusted name in firearms, Polymer80 ensures high-quality components that meet rigorous standards.

Why Choose This Product?

Built for enthusiasts and professionals, this billet lower offers superior strength and accuracy. Whether you’re crafting a custom pistol or rifle, it provides a solid foundation for your 9mm AR build. Our commitment to excellence and customer satisfaction makes this an ideal choice for your next project.

Note: Always follow local laws and regulations when building firearms. This product requires machining to complete and is intended for lawful use.