Aero Precision Stripped M4E1 AR-15 Lower Receiver - Special Edition - Freedom
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Aero Precision
Overview
The Aero Precision Stripped M4E1 AR-15 Lower Receiver - Special Edition - Freedom is a high-quality stripped receiver designed for AR-15 builds. Constructed from durable 7075-T6 aluminum and finished with hardcoat anodizing, this lower receiver offers a solid foundation for your firearm while maintaining a lightweight profile. It features a standard .154 trigger pin hole, making it compatible with a wide range of trigger options. This lower is frequently used in mid-length gas system builds chambered in 5.56 NATO, making it a popular choice among builders looking for performance and reliability.
Specifications
Aero Precision Stripped M4E1 AR-15 Lower Receiver - Special Edition - Freedom
September 2026 on GunPartPicker
Aero Precision Stripped M4E1 AR-15 Lower Receiver - Special Edition - Freedom ranked #30 of the 477 lower receivers builders added on GunPartPicker in September 2026, behind the Aero Precision M4E1 Stripped AR-15 Lower Receiver - Black, with about 1 in every 200 lower receivers added to builds. Down from #4 in August. Builds with this lower receiver are mostly chambered in 5.56 NATO (77%, then .223 Wylde 10%), split between mid-length (53%) and carbine-length (26%) gas systems, and nearly all AR-15.
It was out of stock everywhere we track for all of September 2026, and today none of the 3 retailers we track has it in stock right now. Listed prices start at $154.99 at Classic Firearms 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 thousands of builds that include this one
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Timber Creek Outdoors Ambidextrous Safety Selector - Black
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CMMG AR-15 HD Pivot and Takedown Pin Parts KIT - 55AFF3B
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 92 →Builds in the community that include the Aero Precision Stripped M4e1 Ar-15 Lower Receiver - Special Edition - Freedom
| Build | Parts | Total |
|---|---|---|
 | 22 | $1404.21 |
 | 26 | $3197.47 |
 | 29 | $2716.18 |
 | 12 | $916.45 |
 | 22 | $1029.07 |
 | 33 | $2817.86 |
 | 27 | $5023.70 |
| 13 | $1183.57 |
| 31 | $7440.21 |
| 18 | $2101.56 |
| 12 | $935.38 |
| 27 | $4172.17 |
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