Aero Precision M4E1 Threaded Complete Upper, 16" 5.56 Mid-Length Barrel w/ 15" ATLAS R-ONE M-LOK Handguard - FDE Cerakote

Buy your Aero Precision M4E1 Threaded Complete Upper from BattleHawk Armory today!

The Aero Precision M4E1 Threaded Complete Upper is a high-quality, ready-to-install upper receiver assembly designed for AR-15 rifles chambered in 5.56mm. It features a 16" 5.56 Mid-Length Barrel, which strikes a balance between maneuverability and ballistic performance. The barrel is constructed from durable and corrosion-resistant materials to ensure longevity and accuracy. The upper receiver is precision-machined from forged aluminum, providing a strong and lightweight platform. It is coated with a rugged FDE Cerakote finish, adding durability and resistance to wear and tear. The M4E1 Threaded Upper Receiver includes a forward assist and ejection port cover, offering enhanced functionality. One of the standout features of this complete upper is the 15" ATLAS R-ONE M-LOK Handguard. The handguard features a slim and lightweight design, allowing for a comfortable grip and optimal accessory attachment. The M-LOK system provides a modular and customizable platform for mounting various accessories such as lights, grips, and bipods. The Aero Precision M4E1 Threaded Complete Upper also includes a low-profile gas block and mid-length gas system, ensuring reliable and smooth cycling of the rifle. With a pre-installed barrel nut, the upper receiver is easy to assemble onto a compatible lower receiver. Whether you're a seasoned shooter or a first-time builder, the Aero Precision M4E1 Threaded Complete Upper offers exceptional quality, reliability, and versatility. With its FDE Cerakote finish, it not only performs flawlessly but also adds a unique and attractive look to your AR-15 rifle.

Includes:

• M4E1 Threaded Assembled Upper Receiver - Anodized Black
• 15" ATLAS R-ONE M-LOK Handguard
• 16" 5.56 CMV 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 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

16" 5.56 Mid-Length Barrel Features:

• 5.56 NATO 16" Midlength, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled
• .750 gas block journal
• Mid-length gas system, .0785 gas port
• M4 Feed Ramp Extension
• HP and MPI tested
• Standard A2 flash hider