Aero Precision M4E1 300BLK Complete Upper Receiver w/Atlas R-ONE Handguard - 8" Black
AR-15 Complete Upper Receiver
Out of stock
Aero Precision M4E1 300BLK Complete Upper Receiver w/Atlas R-ONE Handguard - 8" Black
$534.99
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. Their 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.
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
8" .300 Blackout Barrel Features:
- Length: 8"
- Twist: 1 in 7
- Muzzle: 5/8x24 Threaded
- Material: 4150 Crome Moly Vanadium
- Finish: QPQ corrosion resistant finish both inside and out
- Gas Block: .750
- Gas Port: .109
- Gas System Length: Pistol
- Weight: 18oz
- M4 Barrel Extension
- HP and MPI Tested
Includes:
- M4E1 Threaded Assembled Upper Receiver
- ATLAS R-ONE Handguard of choice
- 8" .300 Blackout 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.
SKU | APAR700701M1 |
---|---|
Product Type | AR-15 Complete Upper Receiver |
Manufacturer | Aero Precision |
Gas Block Diameter | .750" |
Thread Pitch | 5/8x24 (.30 cal) |
Twist Rate | 1:7 |
Color | Black |
Gas System Length | Pistol |
Barrel Length | 8" |
Caliber | 300 Blackout |
Threaded | Yes |