Aero Precision M4e1 Threaded Barreled Ar-15 Upper 5.56 Rifle Atlas R-One - 18"
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Aero Precision
Overview
The Aero Precision M4E1 Threaded Barreled AR-15 Upper features an 18" barrel designed for the 5.56 NATO caliber, making it suitable for a range of shooting applications. With a rifle-length gas system, this complete upper receiver offers reliable cycling and performance, while the 1:7 twist rate stabilizes a variety of bullet weights for improved accuracy. This upper commonly appears in builds that prioritize versatility and precision, particularly those utilizing the 5.56 NATO cartridge.
Specifications
Aero Precision M4e1 Threaded Barreled Ar-15 Upper 5.56 Rifle Atlas R-One - 18"
Frequently Built With
Based on build data
Aero Precision Ar-15 Breach Charging Handle Ambidextrous Small Levers
Aero Precision Stripped M4e1 Ar-15 Lower Receiver - Special Edition - Freedom
Bravo Company M16 Bolt Carrier Group Black
Bravo Company Ar-15/m16 Bcm Mil-Spec 6 Position Receiver Extension
Aero Precision M4e1 Stripped Ar-15 Lower Receiver - Black
B5 Systems Trigger Guard ATG-001-01
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with 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.
| Product | Category | Times Built Together |
|---|---|---|
| Aero Precision Ar-15 Breach Charging Handle Ambidextrous Small Levers | 8 | |
| Aero Precision Stripped M4e1 Ar-15 Lower Receiver - Special Edition - Freedom | 7 | |
| Bravo Company M16 Bolt Carrier Group Black | 5 | |
| Bravo Company Ar-15/m16 Bcm Mil-Spec 6 Position Receiver Extension | 4 | |
| Aero Precision M4e1 Stripped Ar-15 Lower Receiver - Black | 4 | |
| B5 Systems Trigger Guard ATG-001-01 | 4 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 100% |
| Gas System | Percentage |
|---|---|
| Rifle | 100% |
Builds Featuring This Part
See all 1 →Builds in the community that include the Aero Precision M4e1 Threaded Barreled Ar-15 Upper 5.56 Rifle Atlas R-One - 18"
| Build | Parts | Total |
|---|---|---|
 | 23 | $2033.40 |
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