Aero Precision M4E1 5.56 14.5" Complete Upper w/ Pinned VG6 Gamma 556SL
Only 2 left in stock
This complete upper includes our ATLAS R-ONE Handguard. The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards.
Includes:
- M4E1 Threaded Assembled Upper Receiver
- ATLAS R-ONE Handguard of choice
- 14.5″ 5.56 Mid-Length CMV Barrel
- Low Profile Gas Block and Mid Length Gas Tube
- VG6 Precision GAMMA 556 SL (pinned and welded)
- Product comes assembled
- This complete upper does not include BCG or Charging Handle.
M4E1 Threaded Upper Receiver Features:
- New enhanced forging that gives the upper receiver a “billet look”
- New picatinny profile that blends seamlessly with our Enhanced Series Handguards
- M4 Feedramps
- .250 takedown pin holes
- Laser engraved T-marks
- Includes port door and forward assist installed
ATLAS R-ONE Handguard Features:
- Full top picatinny rail for optional attachments
- Quick disconnect sling socket at the 3, 6 and 9 o’clock positions
- Compatible with low profile gas blocks
- 1.3” Inside diameter
- 1.5” Outside diameter
- Compatible with mil-spec AR15 upper receivers and barrels
14.5″ 5.56 Mid-Length Barrel Features:
- Chamber: 5.56
- Length: 14.5″
- Twist: 1 in 7
- Threading: 1/2″x28
- Material: Chrome Moly Vanadium
- Finish: QPQ corrosion resistant finish both inside and out
- Gas Block: .750
- Gas Port: .0785
- Gas System Length: Mid
- Weight: 26oz
- M4 Barrel Extension
- HP and MPI Tested
| Weight | 45 oz |
|---|---|
| Dimensions | 26.5 × 5 × 5 in |
| Barrel Finish | Nitride / Melonite |
| Barrel Profile | Government / SOCOM |
| Gas System Length | Midlength |
| Barrel Length | 14.5" |
| Cartridge Compatibility | 5.56 NATO |
| Twist Rate | 1-7 |
| BCG / Charging Handle | Not Included |
| UPC | 840014618477 |
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.
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Aero precision
Sharp clean finish and accurate to boot. Great deal on a quality product.
USAero upper
Aero makes some of the nicest ar parts and this is no exception. Clean sharp finishes and accurate. Great deals on ar15 discounts.com
USAero Precision M4E1 5.56 14.5"
I had been trying to get my hands on this for a while and happened to find it here. AR15 was the only place that had it in stock! Fit and finish of this upper was excellent as usual from aero and performed flawlessly as well. I definitely recommend it!
