Aero Precision
M4E1 Factory Upper 16"
SKU: PB1004 $800.00 In StockThe Aero Precision M4E1 Complete Upper Receiver is a ready-to-install 16-inch 5.56 NATO upper with a mid-length gas system and 1:7 twist 4150 CrMoV QPQ barrel. The M4E1 upper receiver is precision machined with M4 feed ramps and finished in Mil 8625 Type 3 Class 2 hard coat anodize. Ships assembled with port door and forward assist installed, and features a free-float handguard with anti-rotation tabs and continuous top rail.
Specifications
| Caliber | 5.56 NATO |
| BarrelLength | 16" |
| BarrelMaterial | 4150 CrMoV, QPQ finish |
| TwistRate | 1:7 |
| GasSystem | Mid-length |
| Receiver | M4E1 (M4 feed ramps) |
| Finish | Mil 8625 Type 3 Class 2 Anodize |
| Platform | AR-15 / M16 |
| MadeIn | USA |
