Build a refined AR-15 platform with the Aero Precision M4E1 PRO Stripped Lower Receiver in Kodiak Brown. Precision-machined from billet aluminum, this premium receiver offers a durable, dependable foundation for a custom 5.56 NATO or .223 Remington build. Its distinctive finish brings a polished look to a practical, performance-minded design.
Designed for builders who value fit, function, and flexibility, the PRO lower features enhanced ergonomics and compatibility with most mil-spec AR-15 upper receivers and components. Pair it with your preferred compatible parts, trigger, stock, and standard AR-15 or STANAG magazines to create a setup tailored to your needs. This is a stripped lower receiver; additional components are required to complete a build.
- Manufacturer: Aero Precision; model: M4E1 PRO.
- Stripped AR-15 lower receiver for custom builds.
- Billet aluminum construction offers strength and precise fit.
- Kodiak Brown finish adds a distinctive, professional appearance.
- Multi-caliber platform supports a range of compatible AR-15 chamberings.
- Compatible with standard AR-15 and STANAG magazines.
- Designed to work with most mil-spec AR-15 components and upper receivers.
- Enhanced ergonomic controls support comfortable handling and operation.
- Made in the USA by Aero Precision.
From a personalized range rifle to a competition-oriented project, this Aero Precision lower gives your build a solid starting point with broad parts compatibility and modern ergonomics. Choose the M4E1 PRO in Kodiak Brown for a capable, upgrade-ready AR-15 foundation. Confirm component fit and comply with all applicable laws and regulations before purchase and assembly.