Moriarti MA-9 9mm Billet Lower Receiver – Glock Style, AR-9 and AR-40 S&W, Magpul MOE Stock, Anodized

MA-9 Complete Lower: Specs

The Moriarti MA-9 9mm Billet Lower Receiver is a high-performance, Glock-style magazine-compatible lower designed for AR-9MM and AR-40 S&W builds. Made from 7075 T6 billet aluminum and hard coat anodized for superior durability, this lower features a proprietary magazine catch and ejector to ensure reliable feeding.

This fully assembled lower comes with all the essential AR-15 lower parts and is finished off with a Magpul MOE stock and Magpul MOE pistol grip for added comfort and control. The lower is optimized to work with Mil-Spec Glock-style AR-9 and AR-40 S&W upper assemblies, making it a versatile foundation for your custom pistol caliber carbine (PCC) or 9mm AR build.

The MA-9 includes a 7.2oz 9mm buffer, providing a smoother recoil impulse during shooting. With no LRBHO (Last Round Bolt Hold Open), this lower receiver maintains simplicity and performance while being built to last.

Key Features:

• Machined from 7075 T6 billet aluminum for precision and durability
• Hard coat anodized for corrosion resistance
• Compatible with Glock-style magazines in 9mm and .40 S&W
• Fully assembled with proprietary magazine catch and ejector
• Includes Magpul MOE stock and Magpul MOE pistol grip
• 7.2oz 9mm buffer included
• Mil-Spec AR-9 and AR-40 S&W compatible
• Ideal for building a custom AR-9 or pistol caliber carbine (PCC)
• No LRBHO (Last Round Bolt Hold Open)

FFL Terms and Conditions:

• Any orders containing a controlled item will be shipped to an FFL (Federal Firearms License) dealer. For a smooth process, ensure your dealer sends their updated FFL to [email protected].
• A 30% restocking fee applies to all controlled items returned due to failed background checks.
• Federal law requires the purchaser to be 21 years or older to buy a stripped receiver or frame.

FAQ

Does a lower receiver ship to an FFL?

Yes. The lower receiver is the serialized firearm part, so it ships to your local FFL dealer for transfer.

What magazines does it use?

Glock-pattern 9mm and .40 S&W magazines.

Related: complete PCC lowers · pistol caliber carbines

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