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Aero Precision M4E1 Threaded Assembled Upper Receiver Up to 14% Off Plus Blazin' Deal w/ Free Shipping — 4 models

Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Anodized, Black, APAR700201AC
Aero Precision M4E1 Assembled Upper Receiver, Thread, M-LOK Handguard, Anodized, OD Green, APAR700220AC
Aero Precision M4E1 Assembled Upper Receiver, Thread, M-LOK Handguard, Anodized, Brown, APAR700222AC
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Magpul Cerakote, Flat Dark Earth, APAR700202AC
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Anodized, Black, APAR700201AC
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Anodized, Black, APAR700201AC
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Anodized, Black, APAR700201AC
Aero Precision M4E1 Assembled Upper Receiver, Thread, M-LOK Handguard, Anodized, OD Green, APAR700220AC
Aero Precision M4E1 Assembled Upper Receiver, Thread, M-LOK Handguard, Anodized, Brown, APAR700222AC
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Magpul Cerakote, Flat Dark Earth, APAR700202AC
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Magpul Cerakote, Flat Dark Earth, APAR700202AC
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Magpul Cerakote, Flat Dark Earth, APAR700202AC
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Magpul Cerakote, Flat Dark Earth, APAR700202AC
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Magpul Cerakote, Flat Dark Earth, APAR700202AC
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Anodized, Black, APAR700201AC
1 of 14 images
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Anodized, Black, APAR700201AC
Aero Precision M4E1 Assembled Upper Receiver, Thread, M-LOK Handguard, Anodized, OD Green, APAR700220AC
2 of 14 images
Aero Precision M4E1 Assembled Upper Receiver, Thread, M-LOK Handguard, Anodized, OD Green, APAR700220AC
Aero Precision M4E1 Assembled Upper Receiver, Thread, M-LOK Handguard, Anodized, Brown, APAR700222AC
3 of 14 images
Aero Precision M4E1 Assembled Upper Receiver, Thread, M-LOK Handguard, Anodized, Brown, APAR700222AC
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Magpul Cerakote, Flat Dark Earth, APAR700202AC
4 of 14 images
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Magpul Cerakote, Flat Dark Earth, APAR700202AC
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Anodized, Black, APAR700201AC
5 of 14 images
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Anodized, Black, APAR700201AC
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Anodized, Black, APAR700201AC
6 of 14 images
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Anodized, Black, APAR700201AC
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Anodized, Black, APAR700201AC
7 of 14 images
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Anodized, Black, APAR700201AC
Aero Precision M4E1 Assembled Upper Receiver, Thread, M-LOK Handguard, Anodized, OD Green, APAR700220AC
8 of 14 images
Aero Precision M4E1 Assembled Upper Receiver, Thread, M-LOK Handguard, Anodized, OD Green, APAR700220AC
Aero Precision M4E1 Assembled Upper Receiver, Thread, M-LOK Handguard, Anodized, Brown, APAR700222AC
9 of 14 images
Aero Precision M4E1 Assembled Upper Receiver, Thread, M-LOK Handguard, Anodized, Brown, APAR700222AC
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Magpul Cerakote, Flat Dark Earth, APAR700202AC
10 of 14 images
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Magpul Cerakote, Flat Dark Earth, APAR700202AC
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Magpul Cerakote, Flat Dark Earth, APAR700202AC
11 of 14 images
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Magpul Cerakote, Flat Dark Earth, APAR700202AC
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Magpul Cerakote, Flat Dark Earth, APAR700202AC
12 of 14 images
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Magpul Cerakote, Flat Dark Earth, APAR700202AC
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Magpul Cerakote, Flat Dark Earth, APAR700202AC
13 of 14 images
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Magpul Cerakote, Flat Dark Earth, APAR700202AC
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Magpul Cerakote, Flat Dark Earth, APAR700202AC
14 of 14 images
Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Magpul Cerakote, Flat Dark Earth, APAR700202AC

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Questions & Answers
will this upper work with a 6.5 grendel bcg and barrel? Expert Answer

It will not, this upper receiver is made to work with 5.56/.223 AR-15 rifles only.

by Ben, Gear Expert, December 11, 2020
See 10 More Answers
What calibers can I use with this? Expert Answer

This is a 5.56/223 upper receiver which can be used with most pistol calibers, 5.56/.223, and .300 Blackout.

by Kevin, Gear Expert, October 20, 2020
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
I love what AeroPrecision did here by Zachary G., Verified Owner, January 18, 2023
It's a very thoughtful design, as is common with AeroPrecision. Notably, the dust cover pin is captured nicely, the brass deflector is angled a little more forward, and the forward assist roll pin is actually a screw that goes in from the top. I'm im...
Read More...
2/2 found this helpful
Helpful Positive Review
Ol’ Reliable by Alex, November 18, 2019
Oh, what can I say about Aero Precision? They’ve always made good, reliable products, mainly their uppers and lowers. What I like about this one especially is the small added benefit of it being pre-assembled. One thing I will say though, is that ...
Read More...
13/14 found this helpful
Helpful Positive Review
Great Upper! However... by EsDee, Verified Owner, September 27, 2022
A truly extra fine AR-15 upper receiver, however, do be aware that this one does not fit properly in the "standard A1/A2 M4 vice block. You will either need to purchase a dedicated Aero Precision M4E1 vice-block or get out the Dremel and modify your...
Read More...
1/1 found this helpful
Helpful Positive Review
perfect fit with the aero lower by mike, Verified Owner, January 27, 2022
Matched it with an m4e1 lower for a perfect fit, zero complaints. My only complaint is that I have to leave at least 200 words in order to post a review on this site, not too sure what else to say about a well machined piece of aluminum, paired well...
Read More...
1/1 found this helpful
Helpful Positive Review
Aero precision upper by David C., March 29, 2022
Aero precision builds some of the best AR parts money can buy and this upper is no exception. I would definitely recommend this product. The only issue I have is that Optics Planets shipping could be faster. It took 7-8 days to receive my order.
1/1 found this helpful
Helpful Positive Review
Great all around upper for your AR-15 needs. by Spino556, Verified Owner, May 22, 2021
Great upper with good machining, finishing, style, and fitment. There's not much to complain about here, only thing I can think of is their picatinny rails are "enhanced" with the middle part having been machined down maybe to minimize weight? It wil...
Read More...
1/1 found this helpful
Read All 80 Reviews

Star-Spangled Savings! Deals on Aero Precision Products to Celebrate

See promotional details
Blazin' Deal
Prices have been cut drastically on this product as part of a special offer. These prices are so low that there's no double-dipping with coupons or any additional discounts, but you'll still get the best deal out there. This offer won't last long, so don't miss out!
4 Models Available
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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 Threaded Assembled Upper Receiver

The Aero Precision M4E1 Threaded Assembled Upper Receiver is the perfect building block for a reliable and powerful rifle. Aero Precision machined these AR15 Upper Receivers from rugged and lightweight 7075-T6 forged aluminum complete with your choice of finish that enhances corrosion resistance while also increasing strength. Each Aero Precision M4E1 Threaded Assembled Picatinny-Profile Upper Receiver includes a pre-installed port door and forward assist, and these receivers are crafted with an angular design for a unique aesthetic and improved performance. These uppers work with standard AR15/M16 components. Create an advanced weapon using the Aero Precision M4E1 Threaded Assembled AR15 Upper Receiver to boost your performance in the field or at the range.image

Specifications for Aero Precision M4E1 Threaded Assembled Upper Receiver:

Manufacturer: Aero Precision
Fabric/Material: 7075-T6 Aluminum
Caliber: Universal
Gun Make: AR Platform
Gun Model: AR-15
Condition: New
Hand: Right
Weight: 8.65 oz
Country of Origin: USA

Features of Aero Precision M4E1 Threaded Assembled Upper Receiver

  • New enhanced forging that gives the upper receiver a ''billet look''
  • New picatinny profile that blends seamlessly with our Enhanced and ATLAS Series Handguards
  • M4 Feedramps
  • .250 takedown pin holes
  • Includes threaded forward assist roll pin
  • Includes port door and forward assist

Package Contents:

  • Aero Precision M4E1 Threaded Assembled Upper Receiver
  • M4E1 Threaded Upper Receiver
  • Port Door
  • Forward Assist

What firearm models does the manufacturer say Aero Precision M4E1 Threaded Assembled Upper Receiver is compatible with?

The manufacturer says that Aero Precision M4E1 Threaded Assembled Upper Receiver is compatible with AR-15, M16

Aero Precision M4E1 Threaded Assembled Upper Receiver Orderable Models

List of Orderable Models

  • Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Anodized, Black, APAR700201AC , MPN: APAR700201AC , UPC: 815421020977 , Code: 29D-UPR-M4E1TAU-APAR700201AC
  • Aero Precision M4E1 Assembled Upper Receiver, Thread, M-LOK Handguard, Anodized, OD Green, APAR700220AC , MPN: APAR700220AC , UPC: 840014618330 , Code: 29D-UPR-M4E1TAU-APAR700220AC
  • Aero Precision M4E1 Assembled Upper Receiver, Thread, M-LOK Handguard, Anodized, Brown, APAR700222AC , MPN: APAR700222AC , UPC: 840014618354 , Code: 29D-UPR-M4E1TAU-APAR700222AC
  • Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Magpul Cerakote, Flat Dark Earth, APAR700202AC , MPN: APAR700202AC , UPC: 815421021554 , Code: 29D-UPR-M4E1TAU-APAR700202AC

Aero Precision M4E1 Threaded Assembled Upper Receiver Unavailable & Discontinued Models

List of Unorderable Models

  • USED Aero Precision M4E1 Assembled Upper Receiver, Thread, M-LOK Handguard, Anodized, OD Green, APAR700220AC, EDEMO2, Used, Condition Like New , MPN: APAR700220AC-EDEMO2 , Code: 29D-UPR-M4E1TAU-APAR700220AC-EDEMO2
  • USED Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Anodized, Black, APAR700201AC, EDEMO6, Used, Condition Fair , MPN: APAR700201AC-EDEMO6 , Code: 29D-UPR-M4E1TAU-APAR700201AC-EDEMO6
  • USED Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Anodized, Black, APAR700201AC, EDEMO7, Used, Condition Fair , MPN: APAR700201AC-EDEMO7 , Code: 29D-UPR-M4E1TAU-APAR700201AC-EDEMO7
  • USED, Aero Precision M4E1 Assembled Upper Receiver, Thread, M-LOK Handguard, Anodized, Brown, APAR700222AC , MPN: APAR700222AC-EDEMO , Code: 29D-UPR-M4E1TAU-APAR700222AC-EDEMO-IN-B
  • USED, Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Anodized, Black, APAR700201AC , MPN: APAR700201AC-EDEMO , Code: 29D-UPR-M4E1TAU-APAR700201AC-EDEMO-SC-C
  • DEMO, Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Anodized, Black, APAR700201AC , MPN: APAR700201AC-DEMO , Code: 29D-UPR-M4E1TAU-APAR700201AC-DEMO
  • DEMO, Aero Precision M4E1 Assembled Upper Receiver, Thread, M-LOK Handguard, Anodized, Brown, APAR700222AC , MPN: APAR700222AC-DEMO , Code: 29D-UPR-M4E1TAU-APAR700222AC-DEMO
  • USED, Aero Precision M4E1 Assembled Upper Receiver, Thread, M-LOK Handguard, Anodized, OD Green, APAR700220AC , MPN: APAR700220AC-EDEMO , Code: 29D-UPR-M4E1TAU-APAR700220AC-EDEMO-SC-B
  • USED, Aero Precision M4E1 Assembled Upper Receiver, Thread, M-LOK Handguard, Anodized, Brown, APAR700222AC , MPN: APAR700222AC-EDEMO , Code: 29D-UPR-M4E1TAU-APAR700222AC-EDEMO-SC-D
  • Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Magpul Cerakote, OD Green, APAR700417AC , MPN: APAR700417AC , UPC: 840014618132 , Code: 29D-UPR-M4E1TAU-APAR700417AC
  • Aero Precision M4E1 Threaded Assembled Upper Receiver, M16/AR-15, Magpul Cerakote, Sniper Grey, APAR700272AC , MPN: APAR700272AC , UPC: 840014618101 , Code: 29D-UPR-M4E1TAU-APAR700272AC
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Last updated 2026-06-26 UTC.