paired with an aero lower and the takedown pins slid through both halves with thumb pressure. no slop, no rock. forward assist hole indexes correctly. exactly what you want at this price






Click to see full view
Aero Precision
Overview
The Aero Precision Ar-15 M4e1 Stripped Upper Receiver Black 5.56mm is a upper receiver. Compare prices from multiple merchants and find the best deal.
Based on build data

Aero Precision M4e1 Stripped Ar-15 Lower Receiver - Black

Geissele Automatics Llc Ar-15 Ssa X Lightning Bow Trigger

Strike Industries Ambidextrous Magazine Release, Black - ARAMBIMRBK

Aero Precision Stripped M4e1 Ar-15 Lower Receiver - Special Edition - Freedom

Bravo Company Manufacturing Ar-15 Bolt Carrier Group - M16
Bolt Carrier Group
Geissele Automatics Super 42 Braided Buffer Spring and H3 Buffer
Aggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Aero Precision M4e1 Stripped Ar-15 Lower Receiver - Black | 7 | |
| Geissele Automatics Llc Ar-15 Ssa X Lightning Bow Trigger | 6 | |
| Strike Industries Ambidextrous Magazine Release, Black - ARAMBIMRBK | 6 | |
| Aero Precision Stripped M4e1 Ar-15 Lower Receiver - Special Edition - Freedom | 5 | |
| Bravo Company Manufacturing Ar-15 Bolt Carrier Group - M16 | Bolt Carrier Group | 4 |
| Geissele Automatics Super 42 Braided Buffer Spring and H3 Buffer | 4 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 100% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 50% |
| Carbine | 40% |
| Rifle | 10% |
Builds in the community that include the Aero Precision Ar-15 M4e1 Stripped Upper Receiver Black 5.56mm
| Build | Parts | Total |
|---|---|---|
![]() | 12 | $1339.45 |
![]() | 17 | $1412.29 |
![]() | 24 | $1490.69 |
![]() | 27 | $4842.54 |
![]() | 20 | $1763.37 |
![]() | 27 | $2012.76 |
![]() | 14 | $1573.21 |
![]() | 27 | $1735.42 |
![]() | 21 | $2221.54 |
![]() | 24 | $2242.45 |
![]() | 21 | $2588.04 |
![]() | 13 | $988.71 |
2 global ratings
paired with an aero lower and the takedown pins slid through both halves with thumb pressure. no slop, no rock. forward assist hole indexes correctly. exactly what you want at this price
standard M4E1, mated to an aero M4E1 lower without play. forward assist hole was correct, dust cover hole was correct. no machining burrs in the carrier raceway. as advertised for the price