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Aero Precision M4E1-E 20in 5.56x45mm NATO EM15 Complete Upper Receiver APAR640252M48 Caliber: 5.56x45mm NATO, Overall Length: 28 in, 10% Off w/ Free Shipping

Aero Precision Complete Upper Receiver, M4E1-E, 5.56x45mm NATO, 20in, Government, Rifle Length, 1 in 7, 1/2 x 28, 15in, A2 Flash Hider, Cerakote, FDE, APAR640252M48
Aero Precision Complete Upper Receiver, M4E1-E, 5.56x45mm NATO, 20in, Government, Rifle Length, 1 in 7, 1/2 x 28, 15in, A2 Flash Hider, Cerakote, FDE, APAR640252M48
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Aero Precision Complete Upper Receiver, M4E1-E, 5.56x45mm NATO, 20in, Government, Rifle Length, 1 in 7, 1/2 x 28, 15in, A2 Flash Hider, Cerakote, FDE, APAR640252M48

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Questions & Answers
Customer Reviews
Most Recent Reviews
Junior comp build by RSW, Verified Owner, April 20, 2025
This upper was suggested to me by a RSO for my sons to shoot in junior competition. It looks and shoots great
Read 1 Review
Caliber:
5.56x45mm NATO
Overall Length:
28 in
Barrel Length:
20 in
Barrel Profile:
Government
Gas System Length:
Rifle Length
Barrel Twist Rate:
1-7
Threads per Inch:
1/2x28
Handguard Type:
A2
Muzzle Device:
A2 Flash Hider
Finish:
Cerakote
Color:
FDE
Gun Model:
AR-15
Gas Block Journal Size-Diameter:
.750 in
Handguard Length:
15 in

Code: 29D-UFH-EM1520IN-APAR640252M48

MPN: APAR640252M48

UPC: 840014603190

List: $615.00Save 10%
$554.99

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made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Aero Precision M4E1-E 20in 5.56x45mm NATO EM15 Complete Upper Receiver

This Complete Upper includes our Gen 2 Enhanced Handguard! Key features include the addition of quick disconnect sling sockets, enhanced milling design for grip and visual appeal and a new profile for the picatinny top rail.image

WARNING: California`s Proposition 65

Specifications for Aero Precision M4E1-E 20in 5.56x45mm NATO EM15 Complete Upper Receiver:

Manufacturer: Aero Precision
Caliber: 5.56x45mm NATO
Overall Length: 28 in
Barrel Length: 20 in
Barrel Profile: Government
Gas System Length: Rifle Length
Barrel Twist Rate: 1-7
Threads per Inch: 1/2x28
Handguard Type: A2
Muzzle Device: A2 Flash Hider
Finish: Cerakote
Color: FDE
Gun Model: AR-15
Gas Block Journal Size-Diameter: .750 in
Handguard Length: 15 in
Gun Type: Rifle
Gun Make: AR Platform
Barrel Material: 4150 CMV Steel
Bolt Carrier Group Included: No
Charging Handle Included: No
Magazine Included: No
Country of Origin: USA

Features of Aero Precision M4E1-E 20in 5.56x45mm NATO EM15 Complete Upper Receiver

  • Precision machined to M4E1 specs
  • M4 feedramps
  • Matte black hard coat anodized Mil 8625 Type 3 Class 2
  • Laser engraved T-marks (Anodized only)
  • Comes assembled, with port door and forward assist installed
  • Accepts standard AR15/M16 components
  • Handguard mounting platform is forged into the receiver
  • Works with Aero Precision handguards but also fits most BAR-system handguards
  • Barrel nut and wrench are included

Package Contents:

  • Aero Precision M4E1-E 20in 5.56x45mm NATO EM15 Complete Upper Receiver
  • M4E1 Enhanced Assembled Upper Receiver
  • Enhanced Handguard Of Choice
  • 20in 5.56 Rifle Length CMV Barrel
  • Low Profile Gas Block
  • Rifle Length Gas Tube

What firearm models does the manufacturer say Aero Precision M4E1-E 20in 5.56x45mm NATO EM15 Complete Upper Receiver is compatible with?

The manufacturer says that Aero Precision M4E1-E 20in 5.56x45mm NATO EM15 Complete Upper Receiver is compatible with AR-15

Aero Precision M4E1-E 20in 5.56x45mm NATO EM15 Complete Upper Receiver Orderable Models

List of Orderable Models

  • Aero Precision Complete Upper Receiver, M4E1-E, 5.56x45mm NATO, 20in, Government, Rifle Length, 1 in 7, 1/2 x 28, 15in, A2 Flash Hider, Cerakote, FDE, APAR640252M48 , MPN: APAR640252M48 , UPC: 840014603190 , Code: 29D-UFH-EM1520IN-APAR640252M48
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