Aero Precision is a leading brand in the firearms industry, renowned for its top-quality components and superior craftsmanship. With a commitment to precision engineering and attention to detail, Aero Precision has become the go-to choice for shooters who demand the best in performance and reliability. From AR-15 receivers and handguards to complete rifle builds, Aero Precision products are designed and manufactured in the USA to the highest standards, ensuring that every product meets the needs of even the most discerning shooter. Whether you're a competitive shooter or a tactical operator, Aero Precision has the gear you need to get the job done right.
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This complete upper receiver incudes an HBAR profile barrel that is laser marked "HBAR".
Includes:
- M4E1 Assembled Upper Receiver
- 15" ATLAS R-ONE M-LOK Handguard
- 16" 5.56 HBAR barrel
- Low Profile Gas Block and Mid-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.
M4E1 Upper Features:
- Forged from 7075 T6 aluminum
- Precision machined to M4E1 specs
- M4 feedramps
- Matte black hard coat anodized Mil 8625 Type 3 Class 2
- Laser engraved T-marks
- Comes assembled, with port door and forward assist installed
- Accepts standard AR15/M16 components
- Handguard mounting platform is forged into the receiver
- Works with Aero Precision handguards but also fits most BAR-system handguards
- Barrel nut and wrench are included
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
- 1.3" Inside diameter
- 1.5" Outside diameter
- Compatible with mil-spec AR15 upper receivers and barrels
- MLOK attachment points
16" 5.56 HBAR Barrel
- 5.56 Nato 16" Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled
- .750 gas block journal
- Mid-Length Gas System
- M4 Feed Ramp Extension
- HP and MPI tested
- Standard A2 flash hider
