Aero Precision M4E1-E Complete Upper 14.5" 5.56 Mid-Length Barrel EM12.7 - Anodized - APAR600231M5
Backorder: allow 2-4 weeks for delivery
Elevate your AR-15 build with the Aero Precision M4E1-E Complete Upper Receiver, featuring a 14.5″ 5.56 Mid-Length Barrel and EM12.7 Gen 2 Enhanced Handguard in durable anodized black finish. Engineered for precision shooters and tactical enthusiasts, this complete upper delivers exceptional reliability, reduced recoil, and seamless modularity to enhance your shooting experience without compromising on quality.
Key Features
- Enhanced Upper Receiver: Forged from 7075-T6 aluminum with precision machining, M4 feed ramps, and laser-engraved T-marks for superior strength and easy identification.
- 14.5″ Mid-Length Barrel: Chrome moly vanadium construction with QPQ corrosion-resistant finish, 1:7 twist rate, and 1/2×28 threading—optimized for balanced velocity and accuracy in 5.56 NATO.
- EM12.7 Gen 2 Handguard: 12″ free-float M-LOK design with anti-rotation tabs, quick-disconnect sling sockets, scalloped rails for grip, and a continuous Picatinny top rail for optics mounting.
- Assembled for Convenience: Includes low-profile gas block, mid-length gas tube, forward assist, dust cover, barrel nut, and wrench—ready to pair with your lower receiver.
Specifications
- Barrel Length: 14.5″
- Caliber: 5.56 NATO
- Gas System: Mid-Length
- Twist Rate: 1:7
- Barrel Profile: Medium
- Finish: Anodized Black (Upper), QPQ (Barrel)
- Weight: Approximately 3.1 lbs
- BCG/Charging Handle: Not Included
Why Choose the Aero Precision M4E1-E Complete Upper?
This upper addresses common builder challenges like complex assembly and inconsistent performance by offering a one-piece handguard mounting platform that simplifies installation while providing enhanced rigidity for better accuracy and stability. The mid-length gas system reduces recoil impulse compared to carbine setups, allowing for faster follow-up shots and less fatigue during extended range sessions. Ideal for custom AR-15 builds, it supports standard mil-spec components, ensuring compatibility and future upgrades. Whether for home defense, competition, or tactical applications, its robust construction withstands rigorous use, delivering consistent results that serious shooters demand.
Frequently Asked Questions
Q: Is the BCG and charging handle included?
A: No, this complete upper does not include the bolt carrier group or charging handle, allowing you to select components that match your specific needs.
Q: Does this upper work with standard AR-15 lowers?
A: Yes, it accepts standard AR-15/M16 mil-spec components and pairs seamlessly with most lower receivers for a reliable build.
Q: Are there any legal considerations for the 14.5″ barrel?
A: The 14.5″ barrel requires a muzzle device pinned and welded to achieve a 16″ overall length for non-NFA compliance; consult local laws and ensure proper configuration.
Ready to assemble the ultimate AR-15? Add the Aero Precision M4E1-E Complete Upper to your build today and experience precision engineering that performs as good as it looks.
| Weight | 49.98 oz |
|---|---|
| Dimensions | 14.5 × 5 × 5 in |
| Barrel Finish | Other |
| Barrel Profile | Medium |
| Cartridge Compatibility | 5.56 NATO |
| Barrel Length | 14.5" |
| Gas System Length | Midlength |
| Twist Rate | 1-7 |
| BCG / Charging Handle | Not Included |
| MPN | APAR600231M5 |
| UPC | 31280 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
