The Aero Precision M4E1 AR15 Complete Upper is a top-quality addition for your lightweight build, featuring a 16-inch barrel with a 1:7 twist, designed for 223 Remington caliber. In anodized black, it includes an ATLAS S-ONE handguard for added stability and a mid-length gas system, but does not come with BCG or charging handle.
Specs
| Model No. | APAR700305M7 |
| Model | M4E1 |
| Manufacturer | Aero Precision |
| Color | Black |
| Caliber | 223 Remington |
| Barrel Length | 16 |
| Type of Barrel | 1:7 |
