Aero Precision M4E1 Lower Complete W/ A2 Grip & M4 Stock
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Aero Precision
Overview
The Aero Precision M4E1 Lower is a complete assembly designed for builders looking for a reliable foundation for their AR-15 platform rifles. Chambered in 5.56 NATO, this lower receiver features a hardcoat anodized black finish, ensuring durability and resistance to wear. It's commonly paired with a mid-length gas system, making it an excellent choice for builds that prioritize smooth operation and reduced recoil.
Specifications
Aero Precision M4E1 Lower Complete W/ A2 Grip & M4 Stock
Build history on GunPartPicker
Builders have added the Aero Precision M4E1 Lower Complete W/ A2 Grip & M4 Stock to their builds on GunPartPicker. Since April 2026, it ranks #303 of the 1,217 lower receivers builders have added. Builds with this lower receiver are mostly chambered in 5.56 NATO (75%, then .223 Wylde 13%), split between carbine-length (50%) and mid-length (50%) gas systems, and nearly all AR-15.
It was out of stock everywhere we track every time we checked in October 2026, and today none of the 3 retailers we track has it in stock right now. Listed prices start at $292.99 at KY Gun Company for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
Daniel Defense 14.5" 5.56 M4A1 AR-15 Complete Upper - Flat Dark Earth
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers
EOTECH 3x30.5mm X 21.6mm Holographic Hybrid Green Dot Sight - HHSGRN
SF SOCOM556-RC4-BK SUPPRESSOR G4 5.56 Black
Magpul AR-15 MOE Stock Collapsible Mil-Spec Black
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all builds →Builds in the community that include the Aero Precision M4e1 Lower Complete W/ A2 Grip & M4 Stock
| Build | Parts | Total |
|---|---|---|
 | 12 | $3189.08 |
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