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Aero Precision
Overview
The Aero Precision M4E1 Lower Receiver is a complete assembly designed for the AR-15 platform, featuring a trigger pin size of .154, which is compatible with most standard triggers. This lower is finished in a hardcoat anodized black, ensuring durability and a sleek appearance. It is optimized for the 5.56 NATO caliber, making it a solid choice for builds that focus on a mid-length gas system, commonly seen in versatile applications ranging from recreational shooting to tactical scenarios.
Based on build data
Aero Precision Ar-15 Breach Charging Handle Ambidextrous Small Levers
Aero Precision M4e1 Threaded Ar-15 Barreled Upper 5.56 Mid-Length Atlas R-One - 16"
Aero Precision Ar-15 5.56 Bcg W/c158 Bolt - Aero Logo - Phosphate
Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger
NcStar Pro Series Sight Front/Rear Flip Up, Black - VMARFLC
Bravo Company Manufacturing 5.56 Nato Mid-Length Bhf Ar-15 Barreled Upper - Mcmr-15 - 16"
Aggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Aero Precision Ar-15 Breach Charging Handle Ambidextrous Small Levers | 31 | |
| Aero Precision M4e1 Threaded Ar-15 Barreled Upper 5.56 Mid-Length Atlas R-One - 16" | 30 | |
| Aero Precision Ar-15 5.56 Bcg W/c158 Bolt - Aero Logo - Phosphate | 23 | |
| Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger | 23 | |
| NcStar Pro Series Sight Front/Rear Flip Up, Black - VMARFLC | 23 | |
| Bravo Company Manufacturing 5.56 Nato Mid-Length Bhf Ar-15 Barreled Upper - Mcmr-15 - 16" | 23 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 66.7% |
| 300 Blackout | 14.3% |
| .223 Wylde | 14.3% |
| 6.5 Grendel | 4.8% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 50% |
| Carbine | 27.8% |
| Pistol | 11.1% |
| Rifle | 11.1% |
Builds in the community that include the Aero Precision M4e1 Lower Complete W/ Moe Sl Grip & Sl Stock
| Build | Parts | Total |
|---|---|---|
 | 14 | $2090.98 |
 | 26 | $3069.30 |
 | 10 | $839.71 |
 | 9 | $875.14 |
 | 12 | $1087.51 |
 | 13 | $1852.00 |
 | 5 | $852.92 |
| 8 | $2670.35 |
| 16 | $2711.04 |
 | 14 | $4069.33 |
 | 6 | $1549.98 |
| 13 | $2819.84 |
2 global ratings
Aero Precision M4E1 complete lower with MOE SL grip and stock drops in to a standard upper without fitting. Anodize matches Aero uppers exactly. Trigger is milspec but easily replaceable. Standard mil-spec dimensions throughout.
aero M4E1 complete with MOE-SL grip and stock makes the build a 2 minute job to mate with an upper. threads on the buffer tube are clean, mag well opening is sized for any standard mag. saves the LPK build time which is the appeal
