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PSA PX-9 Forged Stripped Lower with Mag Catch Assembly & Ejector
The PSA PX-9 Forged Stripped Lower Receiver is purpose-built for AR-9 and PCC builds using Glock®-style magazines. Machined from durable 7075 T6 forged aluminum and hardcoat anodized for long-lasting performance, this partially assembled lower includes the proprietary magazine catch assembly and ejector needed for reliable 9mm function.
PSA PX-9 Forged Stripped Lower Receiver
Build a dependable and customizable PCC platform with the PSA PX-9 Forged Stripped Lower Receiver. Precision machined from high-strength 7075 T6 forged aluminum and finished in hardcoat anodizing, this AR-9 lower receiver is designed specifically for use with Glock®-style 9mm magazines and Palmetto State Armory Hybrid 9mm uppers.
This partially assembled lower receiver includes the proprietary magazine catch assembly and ejector already installed, providing a strong foundation for your next AR-9 build. The PX-9 lower is compatible with standard AR-15 fire control groups, safety selectors, takedown pins, pivot pins, grips, stocks, and buffer tube assemblies, allowing builders to customize their PCC setup using many common AR-15 components.
Designed for durability and reliable performance, the PX-9 lower receiver delivers a lightweight forged construction that is ideal for competition PCCs, range builds, backpack guns, and custom Cerakote projects. Whether you're building a sleek minimalist setup or a fully themed custom AR-9, this forged lower provides the reliable base needed for your project.
PLEASE NOTE: This item must ship to a valid FFL dealer. Please enter your preferred FFL information during checkout. Check your local and state laws before ordering. Not available for shipping to all areas.
Product Features
- 7075 T6 Forged Aluminum Construction
- Hardcoat Anodized Finish
- Designed for Glock®-Style 9mm Magazines
- Includes Proprietary Magazine Catch Assembly & Ejector
- Compatible with Standard AR-15 Lower Parts
- Works with PSA Hybrid 9mm Uppers
- Ideal for AR-9 & PCC Builds
- FFL Required for Shipment
| Finish | None |
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Looking for more options? Browse our full AR 9MM Parts category or shop related products in Upper and Lower Receivers.


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