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

About this product

AR9 80% Lower Receiver: Blemished Billet Excellence

Discover the AR9 80% lower receiver from Polymer80, a blemished yet fully functional billet aluminum masterpiece designed for 9mm builds. This receiver features “FIRE/SAFE” engravings for enhanced safety and is crafted from 6061-T6 billet aluminum with Type III hard anodizing for durability. As a blemished product, it may have minor cosmetic marks, but it performs identically to unblemished models, offering incredible value for DIY firearm enthusiasts.

Key Features and Technical Specifications

• Material: 6061-T6 billet aluminum for superior strength and precision.
• Finish: Type III hard anodized (mil-spec) in black for corrosion resistance.
• Compatibility: Designed for use with Elite Tactical Systems magazines and standard AR-15 lower parts kits.
• Design: Competition mag well for fast reloads, enhanced heavy-duty trigger guard, and threaded bolt catch hole with included pin.
• Origin: 100% made in the USA, ensuring quality and reliability.

Assembly and Compatibility

Once fabricated, this lower receiver requires an AR-15 lower parts kit and a buffer tube kit for assembly. Follow Polymer80’s step-by-step guide for easy installation. Ideal for building a custom 9mm AR pistol or rifle, this receiver is non-refundable but backed by Polymer80’s reputation for excellence in the firearms community.

Why Choose Polymer80?

With years of expertise, Polymer80 is a trusted name in 80% lowers, offering products that empower builders to create reliable firearms at home. This blemished AR9 lower combines affordability with top-tier performance, making it a smart choice for both beginners and experienced gunsmiths.