Aero Precision M4E1 Complete Upper .223 Wylde 18″ Rifle Barrel Features:
This Complete Upper includes our Gen 2 Enhanced Handguard! Key features include the addition of quick disconnect sling sockets, enhanced milling design for grip and visual appeal and a new profile for the picatinny top rail.
Aero Precision M4E1 Complete Upper .223 Wylde 18″ Rifle Barrel Specifications:
- Forged from 7075 T6 aluminum
- Precision machined to M4E1 specs
- M4 feedramps
- Matte black hard coat anodized Mil 8625 Type 3 Class 2
- Laser engraved T-marks (Anodized only)
- Comes assembled, with port door and forward assist installed
- Accepts standard AR15/M16 components
- Handguard mounting platform is forged into the receiver
- Works with Aero Precision handguards but also fits most BAR-system handguards
- 1pc free float design
- Built in anti-rotation tabs
- Scalloped rails
- Continuous top rail
- 1.78″ inside diameter fits most muzzle devices and 1.5″ suppressors
- Compatible with low profile gas blocks
- .223 Wylde 18″ Rifle Length Barrel, 1/8 Twist
- 416R Stainless Steel
- Bead Blasted Finish
- .750 gas block journal
- Rifle length gas system
- M4 Feed Ramp Extension
- HP and MPI tested
- Standard A2 flash hider
- Caliber: .223 Wylde
- Handguard Length: 15 in
- Gun Model: AR-15
| Barrel Length | 18 |
|---|---|
| Caliber | .223 Wylde |
| Capacity | 0 |
| Condition | New in Box |
| Finish Per Color | Black |
| Manufacturer | Aero Precision |
| Model | M4E1 Complete Upper |
| Type | Uppers |
| UPC | 815421021462 |

