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Reviews & Ratings for Aero Precision M4E1 10in .300 Barrel Complete Upper with Flash Hider — 9 reviews

(9 reviews)
Aero Precision M4E1 10in .300 Barrel Complete Upper with Flash Hider
Aero Precision M4E1 10in .300 Barrel Complete Upper with Flash Hider
As Low As $427.49 Save 19%
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Most Helpful Positive Review Excellent quality Upper , very accurate.
The fit and finish are perfect, everything is lined up and tight. slightly heavy but well built. excellent quality. Got it on sale and took a chance on it. worked out beter than expected matched it with a PSA pistol lower and a Larue MBT 2 stage, absolutely zero wobble , silky smooth take down pin...
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Most Helpful Negative Review Waited two MONTHS for it to be missing screws
Overall Aero makes a pretty good product My beef isn't so much with the product as much as it is with the wait time and the quality control first off I ordered the 8-in upper the ship date was pushed back to the point where I had waited 2 months. Keep in mind, website said it was in stock when I or...
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Aero Upper

by George Gladback, Verified Owner from ID, United States Written on September 2, 2025
Very well made,functions perfectly!Shipping was fast.
Would recommend: Yes
Was it helpful to you? Yes | No
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Aero Precision M4E1 10in .300 Barrel Complete Upper

by RJOHN, Verified Owner from TX, United States Written on July 19, 2025
I bought this upper to complete a build. The Fde color is spot on. I've read other reviews on how the rails on this upper are not flush. That is not the case with my upper I highly recommend this upper .
Would recommend: Yes
Was it helpful to you? Yes | No
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Amazing!!!

by Leo, Verified Owner from SC, United States Written on January 11, 2025
Fits Perfectly on my PSA lower. Shoots perfectly out of the box.

Cons, Other than not have as much Mlok railing it get the job done.
Would recommend: Yes
Was it helpful to you? Yes | No
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300 Blackout Upper

by Tu Padre 13, Verified Owner from OR, United States Written on September 24, 2024
Purchased to upgrade my 300 upper from PSA. Very happy with the build quality and arrived very quickly. Now just need to get some time to go test her out.
Pros:
  • build quaity
Cons:
  • None
Best Used for:
  • 300 AAC
Would recommend: Yes
Was it helpful to you? Yes | No
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Quality seems great, haven’t shot it yet.

by Jeff Mayse, Verified Owner from OH, United States Written on March 27, 2024
The upper is light, well built, and the finish is fantastic. The rest of the build has been tied up in shipping for two weeks so I haven’t test fired it yet. If you opt for the free shipping, be advised that it can sit in a usps warehouse for weeks before they ever get to it.
Would recommend: Yes
Was it helpful to you? Yes | No
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Great upper

by Daniel, from AZ, United States Written on March 22, 2024
Aero has always made great parts for the price in my experience. Love their stuff.
Would recommend: Yes
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Get them while you can, they have been discontinued.

by Zachman95, from IA, United States Written on February 15, 2024
I have 2 of them. Zero issue. Love them both. Run flawlessly. Wish they'd sell them with adjustable gas block though, would make it a great deal.

Discontinued so get them while you can.
Might be coming out with a new gen, not sure.
Would recommend: Yes
Was it helpful to you? Yes | No
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