Aero Precision M4E1 Threaded Complete Upper, 16" 5.56 Mid-Length Barrel, 15" M-LOK ATLAS S-ONE Handguard - Anodized Black

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

The Aero Precision M4E1 Threaded Complete Upper in Anodized Black is a high-quality, fully assembled upper receiver designed for AR-15 rifles. It features a 16" 5.56 Mid-Length Barrel, providing a balance of maneuverability and accuracy. The 15" M-LOK ATLAS S-ONE Handguard offers a lightweight and ergonomic design, allowing for easy attachment of accessories. The upper receiver is crafted with precision and includes a forward assist and dust cover. With its durable anodized black finish, the M4E1 Threaded Complete Upper not only offers a sleek appearance but also provides enhanced corrosion resistance. This complete upper is compatible with a wide range of AR-15 lower receivers, making it a versatile choice for firearm enthusiasts and professionals alike.

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

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