Aero Precision M4E1-E Complete Upper, 16" 300 Blackout Pistol Barrel, 15" Enhanced MLOK HG - Anodized Black
Fully Assembled and Warrantied by Aero Precision
Only 2 left in stock
Aero Precision M4E1-E Complete Upper, 16″ 300 Blackout Pistol Barrel, 15″ Enhanced MLOK HG – Anodized Black
The Aero Precision Complete Upper Receiver epitomizes speed, efficiency, and dependability for fashioning a semi-custom AR15 rifle. Crafted with meticulous precision, this 300 Blackout M4E1 Threaded Complete Upper boasts a 16″ Pistol barrel and a 15″ Gen 2 Enhanced handguard. Meticulously machined, comprehensively assembled, and subject to rigorous test-firing by skilled Aero Precision armorers, it guarantees unparalleled performance.
* Does not include Bolt Carrier Group or Charging Handle.
Includes:
- M4E1 Threaded Assembled Upper Receiver – Anodized Black
- 15″ M-LOK Gen 2 Enhanced Handguard – Anodized Black
- 16″ 300 BLK Pistol Barrel
- Low-profile Gas Block and Gas Tube
- Standard A2 Flash Hider
M4E1 Threaded Upper Receiver Features:
- New enhanced forging gives the upper receiver a “billet look.”
- M4 Feed ramps
- .250 takedown pin holes
- Laser engraved T-marks
- Includes port door and forward assist installed
Gen 2 Enhanced Handguard Features:
- 1pc free-float design
- Built-in anti-rotation tabs
- Scalloped rails
- Quick disconnect sling socket at the 3, 6, and 9 o’clock positions
- Compatible with low-profile gas blocks
- 1.78″ Inside diameter, fits most 1.5″ suppressors
- Additional milling along flats to aid with gripping and visual appeal
- New profile for the continuous Picatinny top rail
300 BLK Barrel Features:
- .300 BLK 1/7 twist, 4150 CrMoV, QPQ finish
- .750 gas block journal
- Pistol gas system
- M4 Feed Ramp Extension
- HP and MPI tested
Product Information
| Manufacturer | Aero Precision |
|---|---|
| Platform | AR15 |
| Color | Black |
| Finish | Anodized |
| Handguard | 15" M-LOK |
| Caliber | 300 Blackout |
| Length | 16" |
| Gas System | Pistol |
| Twist Rate | 1:07 |
| Barrel Finish | QPQ Nitride |
| Muzzle Thread | 5/8×24 |
| Series | Enhanced, M4E1 |
| Material | 4150 Chrome Moly Vanadium, 6061-T6 Aluminum |
| Compatibility | Standard AR15 components |
| Made in USA | Yes |
We fully comply with all federal, state, and local laws regarding the sale of restricted products. We do not market or sell to prohibited jurisdictions, and any attempts to induce illegal activity, including by law enforcement or government agencies, will be rejected and may be reported. All orders are subject to legal verification, and those in violation will be canceled. By using this site, you confirm compliance with all applicable laws.
Arm or Ally is a stocking dealer for all Aero Precision, Faxon Firearms, Ballistic Advantage, HOLOSUN, Toolcraft, Elftmann Tactical, Timney, TriggerTech, HIPERFIRE and was named the #1 Overall E-Commerce Dealer for Aero Precision Products in 2020!
See our growing inventory of AR Parts, Parts for Glock and Reloading Components.
