Aero Precision APAR700315M7 M4E1 Complete Upper for AR-15, 223 Remington/556NATO, 16 Inches, ATLAS S-ONE Handguard, Mid Length, Cerakote Finish, Flat Dark Earth

This complete upper assembly is designed for AR-15 platforms, delivering reliable performance with a 16-inch barrel that features a 1:7 twist for enhanced accuracy and stability. The ATLAS S-ONE handguard prioritizes lightweight construction, making it an excellent choice for tactical or competitive builds while maintaining a slim profile. Equipped with a mid-length gas system, it ensures smooth cycling and reliable operation during extended use. Finished in high-quality Cerakote Flat Dark Earth, this upper offers superior resistance to wear, corrosion, and environmental elements for long-lasting durability. Compatible with 223 Remington and 5.56 NATO calibers, it's perfect for range days or home defense setups. The proprietary ATLAS attachment system provides a secure and stable mounting platform, combining strength with a user-friendly design. Note that this assembly does not include the bolt carrier group (BCG) or charging handle, allowing for customized integration into your existing setup.

Features:

• M4E1 Threaded Assembled Upper Receiver.
• ATLAS S-ONE M-LOK Handguard of choice.
• 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.

Specifications:

• Fit: AR-15
• Type: Upper
• Manufacturer Part: APAR700315M7
• Caliber-2: 556NATO
• Type of Barrel: 1:7
• Color: Flat Dark Earth
• Manufacturer: Aero Precision
• Model: M4E1
• Sub Category: Upper Receivers
• Barrel Length: 16"
• Finish: Anodized
• Caliber: 223 Remington