Description
The Aero Precision M4E1 Complete Upper has a 16″ 1:7 twist 5.56 Barrel with a Mid-Length gas system with an A2 Flash Hider. The upper has an Aero Precision 15″ATLAS S-ONE M-LOK Handguard. Upper receiver and handguard are anodized black. Does NOT include BCG or Charging Handle. Black Anodizing.
| Barrel Length | 16″ |
| Caliber | 5.56 NATO |
| Twist Rate | 1:7 |
| Handguards | Aero Precision 15″ATLAS S-ONE M-LOK Handguard |
| Sights | None |
| Gas System | Mid length |
| Muzzle Device | A2 Flash Hider |
| Charging Handle | Not Included |
| Bolt Carrier Group | Not Included |
