The Aero Precision M4E1 assembled upper comes fully assembled complete with a forward assist and dust cover in an angular design. It is compatible with all AR-15 mils-spec parts and accepts a standard AR-15 barrel nut. Complete your build today at the best price online from GrabAGun!
The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the same enhanced body profile as our M4E1 Enhanced Upper Receiver but is threaded to accept a standard AR15 barrel nut. It is forged from 7075-T6 Aluminum and precision machined to work with all mil-spec AR15 parts
M4E1 Assembled Upper Specifications
Works with standard AR15 components
Perfect for your custom AR15 build
M4 Feedramps
Includes threaded forward assist roll pin
More Information
Condition
New in Box
Finish Per Color
Black
Manufacturer
Aero Precision
Manufacturer Part Number
APAR700201AC
Model
M4E1 Assembled Upper
Type
Uppers
UPC
815421020977
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV
The M4E1 upper receiver is a one-piece design combining the handguard mounting platform with the upper itself. Through superior engineering, we have condensed the parts needed to mount a free-floated handguard to a mere 8 screws. Since the handguard mounting ...
The M4E1 upper receiver is a one-piece design combining the handguard mounting platform with the upper itself. Through superior engineering, we have condensed the parts needed to mount a free-floated handguard to a mere 8 screws. Since the handguard mounting ...
The M4E1 Lower Receiver delivers billet aesthetics in a forged package. This custom designed enhanced forging is machined from 7075-T6 Aluminum and compatible with all mil-spec AR15 parts. Aside from the visual upgrades this custom engineered design provides that challenge ...
The M4E1 Lower Receiver delivers billet aesthetics in a forged package. This custom designed enhanced forging is machined from 7075-T6 Aluminum and compatible with all mil-spec AR15 parts. Aside from the visual upgrades this custom engineered design provides that challenge ...
Finish the top rated gun that is the AR15 with the Aero Precision XL Assembled Upper Reciever available at GrabAGun. Laser engraved T-markings, includes port door and forward assist, compatible with AR15, and the port door allows ejection of multiple ...
Finish the top rated gun that is the AR15 with the Aero Precision XL Assembled Upper Reciever available at GrabAGun. Laser engraved T-markings, includes port door and forward assist, compatible with AR15, and the port door allows ejection of multiple ...
The Aero Precision M5 Assembled Upper provides a lightweight and durable option for assembling a custom built AR 10 rifle. Just add your personalized charging handle, barrel, handguard, BCG, and gas tube choices. Buy guns online and bulk ammo from ...
The Aero Precision M5 Assembled Upper provides a lightweight and durable option for assembling a custom built AR 10 rifle. Just add your personalized charging handle, barrel, handguard, BCG, and gas tube choices. Buy guns online and bulk ammo from ...
