Dirty Bird Brand AR-15 Parts
Aero Precision M4E1 Threaded 11.5" 5.56 Barrel Complete Upper Receiver w/ 9" M-LOK ATLAS S-ONE Handguard - APAR700302M29
$505.00
Out of stock
Description
This complete upper includes our new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. 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
- 9″ ATLAS S-ONE M-LOK Handguard
- 11.5″ 5.56 CMV Barrel, Carbine Length
- Low Profile Gas Block and Carbine 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 S-ONE Handguard Features:
- Front and rear picatinny rail
- Eliminated center of top rail for weight reduction
- Indexing grooves in 12:00 position for positive grip control
- 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
11.5″ 5.56 Barrel Features:
- 5.56 Nato 11.5″ Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled
- Government Profile
- .750 gas block journal
- Carbine length gas system, .0785 gas port
- M4 Feed Ramp Extension
- HP and MPI tested
- Standard A2 flash hider
Specifications:
- Shipping to FFL Dealer Required No
- Made In America? Yes
- Platform AR15
- Series ATLAS
- Caliber 5.56 NATO
- Barrel Length 11.5″
Additional information
| Weight | 20 oz |
|---|---|
| Dimensions | 23.5 × 5 × 5 in |
| Barrel Finish | Nitride / Melonite |
| Barrel Profile | Government / SOCOM |
| Gas System Length | Carbine |
| Barrel Length (inches) | 11.5 |
| Barrel Chamber | 5.56 NATO |
| Twist Rate | 1-7 |
| BCG / Charging Handle | Not Included |
| MPN | APAR700302M29 |
| UPC | 815421027730 |
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.
