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Aero Precision M4E1-T RM10.3 5.56 x 45 Complete Upper Up to $65.01 Off w/ Free S&H — 2 models

Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Anodized, Black, APAR700703M30
Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Cerakote, FDE, APAR700713M30
Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Anodized, Black, APAR700703M30
Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Anodized, Black, APAR700703M30
Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Anodized, Black, APAR700703M30
Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Cerakote, FDE, APAR700713M30
Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Cerakote, FDE, APAR700713M30
Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Cerakote, FDE, APAR700713M30
Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Anodized, Black, APAR700703M30
1 of 8 images
Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Anodized, Black, APAR700703M30
Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Cerakote, FDE, APAR700713M30
2 of 8 images
Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Cerakote, FDE, APAR700713M30
Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Anodized, Black, APAR700703M30
3 of 8 images
Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Anodized, Black, APAR700703M30
Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Anodized, Black, APAR700703M30
4 of 8 images
Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Anodized, Black, APAR700703M30
Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Anodized, Black, APAR700703M30
5 of 8 images
Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Anodized, Black, APAR700703M30
Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Cerakote, FDE, APAR700713M30
6 of 8 images
Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Cerakote, FDE, APAR700713M30
Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Cerakote, FDE, APAR700713M30
7 of 8 images
Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Cerakote, FDE, APAR700713M30
Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Cerakote, FDE, APAR700713M30
8 of 8 images
Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Cerakote, FDE, APAR700713M30

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ATTENTION! We currently do not ship this product to P.O. Boxes, AK, CA, CT, DE, HI, MA, NJ, NY, U.S. Territories, or select Colorado locations. Please see our policies for more information or a detailed list of locations.

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-T RM10.3 5.56 x 45 Complete Upper

This complete upper includes our ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards.image

Specifications for Aero Precision M4E1-T RM10.3 5.56 x 45 Complete Upper:

Manufacturer: Aero Precision
Caliber: 5.56x45mm NATO
Overall Length: 26.5 in
Barrel Length: 12.5 in
Barrel Profile: Government
Gas System Length: Carbine Length
Barrel Twist Rate: 1-7
Firearms Threads Per Inch: 1/2x28
Muzzle Device: A2 Flash Hider
Fabric/Material: 7075 T6 Aluminum
Gas Block Journal Size-Diameter: .750 in
Handguard Length: 10.3 in
Gun Rail: M-LOK
Gun Make: AR Platform
Gun Model: AR-15
Weight: 42 oz
Barrel Material: 4150 CMV Steel
Bolt Carrier Group Included: No
Charging Handle Included: No
Magazine Included: No
Condition: New
Mount Type: M-LOK
Country of Origin: USA

Features of Aero Precision M4E1-T RM10.3 5.56 x 45 Complete Upper

  • New enhanced forging that gives the upper receiver a "billet look"
  • New picatinny profile that blends seamlessly with our Enhanced Series Handguards
  • M4 Feedramps
  • .250 takedown pin holes
  • Laser engraved T-marks
  • Includes port door and forward assist installed
  • This complete upper does not include BCG or Charging Handle.

Package Contents:

  • Aero Precision M4E1-T RM10.3 5.56 x 45 Complete Upper

What firearm models does the manufacturer say Aero Precision M4E1-T RM10.3 5.56 x 45 Complete Upper is compatible with?

The manufacturer says that Aero Precision M4E1-T RM10.3 5.56 x 45 Complete Upper is compatible with AR-15

Aero Precision M4E1-T RM10.3 5.56 x 45 Complete Upper Orderable Models

List of Orderable Models

  • Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Anodized, Black, APAR700703M30 , MPN: APAR700703M30 , UPC: 840014620616 , Code: 29D-URC-APMCU6-APAR700703M30
  • Aero Precision M4E1-T RM10.3 Complete Upper, 5.56 x 45, 12.5inch, Government, Carbine, 1-7 Twist, 1/2 x 28 Thread, Cerakote, FDE, APAR700713M30 , MPN: APAR700713M30 , UPC: 840014620623 , Code: 29D-URC-APMCU6-APAR700713M30
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Last updated 2026-07-07 UTC.