Aero Precision M4E1 Threaded Complete Upper 7.5" 5.56 Barrel ATLAS R-ONE 7" M-LOK HG - Anodized - APAR700701M0
Save 6% MSRP: $424.99$399.95
Out of stock
This complete upper includes our new 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
- 7″ M-LOK ATLAS R-ONE Handguard
- 7.5″ 5.56 Pistol Length CMV Barrel
- Low Profile Gas Block and Pistol Length Gas Tube
- Product comes assembled
- This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the FINISH YOUR BUILD tab
- The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel.
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
- Learn More about our NEW ATLAS Handguards
7.5″ 5.56 Pistol Length Barrel Features:
- Chamber: 5.56
- Length: 7.5″
- 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 System Length: Pistol
- Weight: 17.25 oz
- M4 Barrel Extension
- HP and MPI Tested
Specifications:
- Shipping to FFL Dealer Required No
- Made In America? Yes
- Platform AR15
- Series ATLAS
- Caliber 5.56 NATO
- Barrel Length 7.5″
| Weight | 17.25 oz |
|---|---|
| Dimensions | 19.5 × 5 × 5 in |
| Barrel Finish | Nitride / Melonite |
| Barrel Profile | M4 |
| Gas System Length | Pistol |
| Barrel Length | 7.5 |
| Cartridge Compatibility | 5.56 NATO |
| Twist Rate | 1-7 |
| BCG / Charging Handle | Not Included |
| MPN | APAR700701M0 |
| UPC | 840014608454 |
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.
