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Aero Precision M4E1 AR-15 5.56 NATO Black Anodized Receiver
Aero Precision$146.99MSRP: $150.00The M4E1 Threaded Upper Receiver features an angular machined design that helps it stand apart from standard mil-spec upper receivers. It is threaded to accept a standard AR-15 barrel nut and forged... -
Aero Precision M4E1 Pro 5.56 NATO Rifle with 16" Black Anodized Aluminum Receiver
Aero Precision$1,799.99MSRP: $1,999.99The Aero Precision M4E1 PRO rifle was built for the end user. A seamless integration of ambidextrous controls paired with robust componentry brings the M4E1 PRO Rifle into a class of its own within... -
Aero Precision M4E1 Pro 5.56 NATO Rifle with 16" OD Green Anodized Receiver
Aero Precision$1,799.99MSRP: $1,999.99The Aero Precision M4E1 PRO rifle was built for the end user. A seamless integration of ambidextrous controls paired with robust componentry brings the M4E1 PRO Rifle into a class of its own within... -
Aero Precision M4E1 Pro 5.56 NATO Rifle with 16" Kodiak Brown Anodized Receiver
Aero Precision$1,799.99MSRP: $1,999.99The Aero Precision M4E1 PRO rifle was built for the end user. A seamless integration of ambidextrous controls paired with robust componentry brings the M4E1 PRO Rifle into a class of its own within... -
Aero Precision APAR611310AC Assembled XL AR-15 Receiver - 7075-T6 Aluminum, Black Anodized
Aero Precision$136.99The Aero Precision XL Upper is forged from 7075-T6 aluminum and features an enlarged ejection port. The XL Upper Receiver is your best choice when you're planning a build to send big rounds down...
Description
The M4E1 upper receiver is a one-piece design combining the handguard mounting platform with the upper itself. It is machined from 7075-T6 aluminum with, M4 feedramps, .250 takedown pin holes, and supports barrels with a diameter up to 1". Included is a barrel nut and wrench, port door, and forward assist. NOTE: This upper is not piston-kit compatible. Requires charging handle, barrel, handguard, gas block, muzzle device, gas tube and BCG (Bolt Carrier Group) to complete.
