Premium 80% AR-9 Lower Receiver for Glock Magazines
Elevate your AR-9 pistol-caliber carbine build with the MAS Defense 80% AR-9 Billet Lower Receiver. Crafted from high-strength 7075-T6 aluminum and finished in durable OD Green, this receiver provides a solid foundation for your custom firearm project. Designed specifically for 9mm cartridges and compatible with Glock magazines, it combines rugged reliability with the flexibility of an 80% lower for personalized completion.
Why Choose This AR-9 Lower Receiver?
As firearm enthusiasts with years of experience in custom builds, we recommend this receiver for its exceptional quality and versatility. The billet construction ensures precise tolerances and enhanced durability compared to forged alternatives, making it ideal for both recreational shooting and competitive use. The OD Green finish not only adds a tactical aesthetic but also provides corrosion resistance for long-lasting performance.
Key Features and Benefits
- Glock Magazine Compatibility: Seamlessly integrates with popular Glock magazines for reliable feeding and easy magazine sourcing.
- 80% Design: Allows for legal customization and completion without FFL transfer, giving you full control over your build.
- 7075-T6 Aluminum: Aerospace-grade material offers superior strength-to-weight ratio for a durable yet lightweight receiver.
- OD Green Finish: Cerakote or similar coating provides excellent wear and corrosion resistance in various environments.
- Precision Machined: CNC-machined to tight tolerances for smooth operation and compatibility with standard AR-9 upper receivers.
Technical Specifications
This lower receiver is engineered for 9mm cartridges, featuring a dedicated magwell designed for Glock-style magazines. The billet construction allows for enhanced design features like reinforced stress points and a sleek, modern profile. It requires completion of the fire control group pocket and other minor machining, making it perfect for DIY gunsmiths looking to create a personalized AR-9 platform.
Ideal for Custom Builds
Whether you’re building a compact PDW, a competition-ready carbine, or a reliable home-defense firearm, this receiver serves as an excellent starting point. Its compatibility with standard AR-9 parts and Glock magazines simplifies sourcing components, while the 80% status offers legal flexibility for enthusiasts in compliant states. Pair it with a quality upper receiver and barrel from Texas Gun Store for a complete, high-performance setup.
Why Buy from Texas Gun Store?
FAQ: Why should I purchase firearm parts from Texas Gun Store? We combine extensive industry expertise with a commitment to customer satisfaction. Our team tests and verifies products for quality, ensuring you receive reliable components backed by knowledgeable support. We offer competitive pricing, fast shipping, and a curated selection of parts from trusted brands like MAS Defense, making us your go-to source for AR-9 builds and other firearm projects.
Invest in the MAS Defense 80% AR-9 Lower Receiver to create a custom firearm that meets your specific needs. With its robust construction, Glock compatibility, and stylish OD Green finish, it’s a top choice for builders seeking performance and personalization. Order yours today and start your next project with confidence!
| Material | 7075-T6 Aluminum |
| Finish | OD Green (Cerakote or similar) |
| Compatibility | Glock Magazines |
| Caliber | 9mm |
| Type | 80% Billet Lower Receiver |
| Manufacturer | MAS Defense |
| Weight (Approx.) | 0.5-0.7 lbs (varies by completion) |
| Dimensions | Standard AR-9 lower size |





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