Aero Precision M4E1 Pistol Complete Lower Receiver w/ MOE Grip & SBA3 Brace – FDE
The Aero Precision M4E1 Pistol Complete Lower Receiver w/ MOE Grip & SBA3 Brace – FDE is a premium starting point for building a reliable and ATF-compliant AR-15 pistol. Fully assembled and ready to pair with any compatible upper, this lower delivers Aero’s signature quality with enhanced ergonomics and rugged construction for modern pistol builds.
Machined from 7075-T6 forged aluminum, the M4E1 lower features an integrated trigger guard and threaded bolt catch roll pin, simplifying assembly and increasing strength. A flared magwell improves reload efficiency, while the durable FDE anodized finish provides corrosion resistance and a clean, professional appearance. This lower maintains full compatibility with standard AR-15 components and magazines.
The lower comes equipped with a Magpul MOE grip, offering improved control and comfort. It includes a carbine buffer system with standard AR15 buffer and spring, ensuring reliable performance across various configurations. The SBA3 pistol brace delivers five-position adjustability and includes an integrated QD sling socket for versatile carry and stabilization. Assembled with Aero’s trusted lower parts kit, this complete lower offers a precise fit and smooth function throughout the fire control group.
- Receiver Extension: Carbine
- Compatibility: Works with standard AR15 components and magazines
- Sling Mounts: Integral QD sling sockets on SBA3 brace
- Mounting System: Standard mil-spec buffer tube assembly
Whether you’re building an AR-15 pistol for home defense, range use, or personal collection, the Aero Precision M4E1 Pistol Complete Lower Receiver combines performance, reliability, and professional-grade aesthetics—all proudly made in the USA.
Product Information
| Receiver Extension | Carbine |
|---|---|
| Manufacturer | Aero Precision |
| Finish | Cerakote |
| Platform | AR15 |
| Series | M4E1 |
| Compatibility | Standard AR15 components |
| Color | Flat Dark Earth |
| Material | 7075-T6 Aluminum |
| Markings | "Cal Multi" |
| Made in USA | Yes |
We fully comply with all federal, state, and local laws regarding the sale of restricted products. We do not market or sell to prohibited jurisdictions, and any attempts to induce illegal activity, including by law enforcement or government agencies, will be rejected and may be reported. All orders are subject to legal verification, and those in violation will be canceled. By using this site, you confirm compliance with all applicable laws.
Important!
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Review our FFL Ordering Instructions HERE before placing your order.
- Prices do not include your dealer’s transfer fees.
- Not eligible for return after transferred into your possession via ATF Form 4473.
- There will be a 30% restocking fee on all controlled items returned because of failed background checks.
Federal law requires that you be 21 years of age or older to purchase a pistol, stripped receiver, or frame. If a frame or receiver can only be made into a long gun (rifle or shotgun), it is still a frame or receiver, not a handgun or long gun. However, they are still “firearms” by definition and are subject to the same GCA limitations as any other firearm. See Section 921(a)(3)(b). 18 U.S.C. Section 922(b)(1) makes it unlawful for a licensee to sell any firearm other than a shotgun or rifle to any person under the age of 21.
Arm or Ally is a stocking dealer for all Aero Precision, Faxon Firearms, Ballistic Advantage, HOLOSUN, Toolcraft, Elftmann Tactical, Timney, TriggerTech, HIPERFIRE and was named the #1 Overall E-Commerce Dealer for Aero Precision Products in 2020!
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