Aero Precision M4E1 Complete AR-15 Lower Receiver - MOE Grip & SL Carbine Stock - Black
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Aero Precision
Overview
The Aero Precision M4E1 Complete AR-15 Lower Receiver is a fully assembled unit designed to streamline your build process. Constructed from durable 7075-T6 aluminum, this forged lower receiver features a trigger pin size of .154, making it compatible with a wide range of AR-15 components. Its multi-caliber capability allows builders the flexibility to use various calibers, making it a versatile choice for many different builds.
Specifications
Aero Precision M4E1 Complete AR-15 Lower Receiver - MOE Grip & SL Carbine Stock - Black
Build history on GunPartPicker
Builders on GunPartPicker first added the Aero Precision M4E1 Complete AR-15 Lower Receiver - MOE Grip & SL Carbine Stock - Black to a build in February 2026.
It was out of stock everywhere we track for all of August 2026, and today none of the 2 retailers we track has it in stock right now. Listed prices start at $324.99 at KY Gun Company for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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