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Aero Precision M4E1 16in 5.56 ATLAS R-ONE M-LOK Complete Upper Receiver with Flash Hider Up to 10% Off and Coupon Available w/ Free Shipping — 7 models

Special offer available for this product. Click here to see!
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, M4 Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, Black Anodized, APAR700705M6
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, Mid-Length Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, Black Anodized, APAR700705M7
Aero Precision M4E1 15in ATLAS R-ONE M-LOK Complete Upper, 16in 5.56 HBAR CMV Mid-Length Barrel, Anodized Black, Black, APAR700705M97
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, Mid Length Pencil Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, Black Anodized, APAR700705M39
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, M4 Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, FDE Cerakote, APAR700715M6
Aero Precision M4E1 Threaded Complete Upper Receiver, 5.56, 16in, Mid-Length Barrel, 1-7 Twist, 15in ATLAS R-ONE Handguard, A2 Flash Hider, Cerakote, OD Green, APAR700402M7
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, Mid-Length Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, FDE Cerakote, APAR700715M7
Aero Precision M4E1 15in ATLAS R-ONE M-LOK Complete Upper, 16in 5.56 HBAR CMV Mid-Length Barrel, Anodized Black, Black, APAR700705M97
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, M4 Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, FDE Cerakote, APAR700715M6
Aero Precision M4E1 Threaded Complete Upper Receiver, 5.56, 16in, Mid-Length Barrel, 1-7 Twist, 15in ATLAS R-ONE Handguard, A2 Flash Hider, Cerakote, OD Green, APAR700402M7
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, Mid-Length Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, FDE Cerakote, APAR700715M7
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, M4 Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, Black Anodized, APAR700705M6
1 of 11 images
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, M4 Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, Black Anodized, APAR700705M6
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, Mid-Length Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, Black Anodized, APAR700705M7
2 of 11 images
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, Mid-Length Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, Black Anodized, APAR700705M7
Aero Precision M4E1 15in ATLAS R-ONE M-LOK Complete Upper, 16in 5.56 HBAR CMV Mid-Length Barrel, Anodized Black, Black, APAR700705M97
3 of 11 images
Aero Precision M4E1 15in ATLAS R-ONE M-LOK Complete Upper, 16in 5.56 HBAR CMV Mid-Length Barrel, Anodized Black, Black, APAR700705M97
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, Mid Length Pencil Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, Black Anodized, APAR700705M39
4 of 11 images
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, Mid Length Pencil Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, Black Anodized, APAR700705M39
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, M4 Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, FDE Cerakote, APAR700715M6
5 of 11 images
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, M4 Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, FDE Cerakote, APAR700715M6
Aero Precision M4E1 Threaded Complete Upper Receiver, 5.56, 16in, Mid-Length Barrel, 1-7 Twist, 15in ATLAS R-ONE Handguard, A2 Flash Hider, Cerakote, OD Green, APAR700402M7
6 of 11 images
Aero Precision M4E1 Threaded Complete Upper Receiver, 5.56, 16in, Mid-Length Barrel, 1-7 Twist, 15in ATLAS R-ONE Handguard, A2 Flash Hider, Cerakote, OD Green, APAR700402M7
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, Mid-Length Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, FDE Cerakote, APAR700715M7
7 of 11 images
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, Mid-Length Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, FDE Cerakote, APAR700715M7
Aero Precision M4E1 15in ATLAS R-ONE M-LOK Complete Upper, 16in 5.56 HBAR CMV Mid-Length Barrel, Anodized Black, Black, APAR700705M97
8 of 11 images
Aero Precision M4E1 15in ATLAS R-ONE M-LOK Complete Upper, 16in 5.56 HBAR CMV Mid-Length Barrel, Anodized Black, Black, APAR700705M97
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, M4 Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, FDE Cerakote, APAR700715M6
9 of 11 images
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, M4 Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, FDE Cerakote, APAR700715M6
Aero Precision M4E1 Threaded Complete Upper Receiver, 5.56, 16in, Mid-Length Barrel, 1-7 Twist, 15in ATLAS R-ONE Handguard, A2 Flash Hider, Cerakote, OD Green, APAR700402M7
10 of 11 images
Aero Precision M4E1 Threaded Complete Upper Receiver, 5.56, 16in, Mid-Length Barrel, 1-7 Twist, 15in ATLAS R-ONE Handguard, A2 Flash Hider, Cerakote, OD Green, APAR700402M7
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, Mid-Length Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, FDE Cerakote, APAR700715M7
11 of 11 images
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, Mid-Length Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, FDE Cerakote, APAR700715M7

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Customer Reviews
Helpful Positive Review Really can't beat it for the price by Solarum, August 21, 2023
I have to say, the finish is great. The Build is what you would expect Aero. I would am pleased overall. I really can't really complain. Great product overall. The muzzle break is really nothing special, but it will work.
1/1 found this helpful
Helpful Positive Review Great upper by Mike, Verified Owner, April 16, 2023
This week I built my first AR. I decided to use all Aero components, and I was not disappointed, Works like a charm. There’s a lot to be said to use the same manufacture . For the money you can’t beat it. I would buy this again. The hand guard is aw...
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2/2 found this helpful
Most Recent Reviews High quality by SGG, Verified Owner, April 16, 2024
Really happy with the purchase. Accuracy and built quality was very good. I would easily recommend Aero precision uppers.
Most Recent Reviews AP ALL THE WAY!!!!!!!! by Diamond Dave, Verified Owner, April 2, 2024
Ive been loayl fan of AP for a very long time! I know its just another AR but copliments never stop with it and the price wont break the bank!
Most Recent Reviews Quality Upper by Bones, January 28, 2024
Awesome fit, finish and quality! Aero is top notch!
Most Recent Reviews Aero Precision M4E1 16” Upper by CB, Verified Owner, December 17, 2023
Very high quality, and really good for the price point. It’s caused me no problems so far, even though I’m only a couple hundred rounds in. Pin point accurate at 50 yards.
Read All 6 Reviews
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Product Info for Aero Precision M4E1 16in 5.56 ATLAS R-ONE M-LOK Complete Upper Receiver with Flash Hider

This complete upper receiver incudes an HBAR profile barrel that is laser marked "HBAR".image

WARNING: California`s Proposition 65

Specifications for Aero Precision M4E1 16in 5.56 ATLAS R-ONE M-LOK Complete Upper Receiver with Flash Hider:

Manufacturer: Aero Precision
Cartridge: 5.56x45mm NATO
Overall Length: 26 in
Barrel Length: 16 in
Barrel Twist Rate: 1-7
Threads per Inch: 1/2x28
Muzzle Device: A2 Flash Hider
Gun Model: AR-15
Condition: New
Gas Block Journal Size-Diameter: .750 in
Handguard Length: 15 in
Gun Make: AR Platform
Included Accessories: None
Weight: 48.5 oz

Features of Aero Precision M4E1 16in 5.56 ATLAS R-ONE M-LOK Complete Upper Receiver with Flash Hider

  • 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
  • ATLAS S-ONE Handguard Features:
  • Front and rear picatinny rail
  • Eliminated center of top rail for weight reduction
  • Indexing grooves in 12:00 position for positive grip control
  • Compatible with mil-spec AR15 upper receivers and barrels
  • MLOK attachment points

Package Contents:

  • Aero Precision M4E1 16in 5.56 ATLAS R-ONE M-LOK Complete Upper Receiver with Flash Hider
  • M4E1 Enhanced Assembled Upper Receiver
  • 15in ATLAS R-ONE M-LOK Handguard
  • 16in 5.56 HBAR barrel
  • Low Profile Gas Block and Mid-Length Gas Tube
  • Product comes assembled

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Aero Precision M4E1 16in 5.56 ATLAS R-ONE M-LOK Complete Upper Receiver with Flash Hider Orderable Models

List of Orderable Models

Aero Precision M4E1 Threaded Complete Upper Receiver, 5.56, 16in, Mid-Length Barrel, 1-7 Twist, 15in ATLAS R-ONE Handguard, A2 Flash Hider, Cerakote, OD Green, APAR700402M7 , MPN: APAR700402M7 , UPC: 840014618699 , Code: 29D-UFH-ME3-APAR700402M7
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, M4 Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, Black Anodized, APAR700705M6 , MPN: APAR700705M6 , UPC: 840014602070 , Code: 29D-UFH-ME3-APAR700705M6
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, Mid-Length Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, Black Anodized, APAR700705M7 , MPN: APAR700705M7 , UPC: 840014602056 , Code: 29D-UFH-ME3-APAR700705M7
Aero Precision M4E1 15in ATLAS R-ONE M-LOK Complete Upper, 16in 5.56 HBAR CMV Mid-Length Barrel, Anodized Black, Black, APAR700705M97 , MPN: APAR700705M97 , UPC: 840014616459 , Code: 29D-UFH-ME3-APAR700705M97
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, Mid Length Pencil Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, Black Anodized, APAR700705M39 , MPN: APAR700705M39 , UPC: 840014602148 , Code: 29D-UFH-ME3-APAR700705M39
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, M4 Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, FDE Cerakote, APAR700715M6 , MPN: APAR700715M6 , UPC: 840014602407 , Code: 29D-UFH-ME3-APAR700715M6
Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 16in, Mid-Length Barrel, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, FDE Cerakote, APAR700715M7 , MPN: APAR700715M7 , UPC: 840014602049 , Code: 29D-UFH-ME3-APAR700715M7

Aero Precision M4E1 16in 5.56 ATLAS R-ONE M-LOK Complete Upper Receiver with Flash Hider Unavailable & Discontinued Models

List of Unorderable Models

DEMO, Aero Precision M4E1 15in ATLAS R-ONE M-LOK Complete Upper, 16in 5.56 HBAR CMV Mid-Length Barrel, Anodized Black, Black, APAR700705M97 , MPN: APAR700705M97-DEMO , Code: 29D-UFH-ME3-APAR700705M97-DEMO
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