M4e1 Upper Receivers Complete 5.56mm

M4E1 Upper RECEIVERS Complete 5.56MM

Cartridge: AKK_5.56 mm Nato
Color: Black
Finish: Anodized
Length: 16''
Make: AR-15
Make/Model: AR-15
Style: Complete
Twist: 1-7


Manufacturer: Aero Precision
Model: Upper Receiver:

The upper receiver is the top part of the AR-15 platform, which houses the barrel, bolt carrier group, and other components.
M4E1 upper receivers from Aero Precision often feature a one-piece design for increased rigidity and strength.
Barrel:

The barrel is chambered in 5.56mm NATO, a standard caliber for AR-15 rifles.
Length and profile can vary based on the specific model and user preferences.
Handguard:

The upper may come with a handguard (or rail) for accessory attachment.
Aero Precision's M4E1 uppers often feature their proprietary Enhanced Series Handguard.
Muzzle Device:

Some complete uppers come with a muzzle device, such as a flash hider or muzzle brake.
Forward Assist and Dust Cover:

An M4E1 upper typically includes a forward assist and a dust cover.
Charging Handle:

Some complete uppers come with a charging handle, while others may require you to purchase one separately.
No BCG (Bolt Carrier Group):

"Complete" in this context usually means that the upper comes fully assembled but may not include a bolt carrier group. The BCG may need to be purchased separately.