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Questions & Answers
Is anything needed with this upper? Or is it complete plug n play? Also is there any more "specs" ie gas port size ECT.thanks Expert Answer

Yes, these uppers will be ready for use once paired with a complete lower receiver. The gas port size is 0.0935"

by Nick B., Gear Expert, November 10, 2021
What material is the BCG? Expert Answer

The bolt carrier group is made of 8620 steel.

by Nick B., Gear Expert, November 10, 2021
3 Models Available
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Product Info for Optics Planet Exclusive Aero Precision M4E1 Enhanced 5.56 Barrel Complete Upper Receiver

Boost the power and precision of your weapon with the high quality construction and useful features of the Optics Planet Exclusive Aero Precision M4E1 Enhanced 5.56 Barrel Complete Upper Receiver. While Aero Precision built these AR15 Upper Receivers, these specific ones are only available right here at OpticsPlanet. Each of these uppers has a Gen 2 Handguard with continuous top rail that offers plenty of space to attach scopes, sights and other useful accessories. This Optics Planet Exclusive Aero Precision M4E1 Enhanced 5.56 Complete Assembled Upper Receiver is also compatible with low profile gas blocks to accommodate your preferences. The upper is forged from 7075 T6 aluminum for durability at no cost to weight, and the hard coat anodize ensures it'll outlast the elements while delivering peak performance with every use. Create a stronger, more reliable weapon by installing the Optics Planet Exclusive Aero Precision M4E1 Enhanced 5.56 Barrel Complete Upper Receiver w/ Gen 2 Handguard.image

Specifications for Optics Planet Exclusive Aero Precision M4E1 Enhanced 5.56 Barrel Complete Upper Receiver:

Manufacturer: Aero Precision
Gun Model: AR-15
Condition: New
Gun Rail: M-LOK
Magazine Included: No
Country of Origin: USA

Features of Aero Precision M4E1 Enhanced 5.56 Barrel Complete Upper Receiver

  • Forged from 7075 T6 aluminum
  • Precision machined to M4E1 specs
  • M4 feedramps
  • Matte black hard coat anodized Mil 8625 Type 3 Class 2
  • Laser engraved T-marks
  • 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 Enhanced 5.56 Barrel Complete Upper Receiver

Optics Planet Exclusive Aero Precision M4E1 Enhanced 5.56 Barrel Complete Upper Receiver Orderable Models

List of Orderable Models

Aero Precision M4E1 Gen 2 Complete Upper Receiver, 18in, .223 Wylde Fluted Barrel, Atlas S-ONE 15in M-LOK HG, Anodized W/BCG/CH, Black, APAR900003 , MPN: APAR900003 , UPC: 815421028188 , Code: 29D-UFH-M4E16-APAR900003
Aero Precision M4E1-E Complete Upper, 10.5in 5.56 BRL, EM-9 Gen2 HG, Anodized W/BCG/CH, Black, APAR900000 , MPN: APAR900000 , UPC: 815421028157 , Code: 29D-UFH-M4E16-APAR900000
Aero Precision M4E1-E Complete Upper, 16in 5.56 Mid-Length BRL, EM-15 Gen2 HG, W/BCG/CH, Flat Dark Earth, APAR900002 , MPN: APAR900002 , UPC: 815421028171 , Code: 29D-UFH-M4E16-APAR900002
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