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5.56X45MM NATO ASSEMBLED UPPER RECEIVER FOR AR-15 Reviews & Ratings

The AR15 Assembled Upper Receiver comes with the port door and forward assist already installed. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil- spec M16/M4 specifications and features M4 feedramps. Match this upper with one of Aero’s AR15 lower receivers for a solid and dependable fit.

FEATURES:

M4 Feedramps
.250 takedown pin holes
Laser engraved T-marks
Includes port door and forward assist

SPECS

Platform: AR15
Material: Machined from 7075-T6 forged aluminum
Select Your Finish: Anodized Black
Compatibility: Works with standard AR15/M16 components
Weight(s): 8.35oz

INCLUDES:

AR15 Assembled Upper Receiver in Black, Flat Dark Earth, Olive Drab Green or Kodiak Brown.

See all of our AR15s and AR15 parts here.

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2 Stars

Reviews Summary

Overall, customers appreciate the quality and fit of the Aero Precision upper receiver, noting its excellent machining and finish. While many report great compatibility with Aero lowers, a few experienced fitment issues with other brands. The product is described as a good value for the price, with some minor assembly complaints, particularly regarding pre-installed components.

What Reviewers Are Saying

Product Quality

75%

A significant number of reviewers highlight the superior quality and precision of the Aero Precision assembled upper. They mention excellent machining and finish, which contribute to a positive overall experience. Customers feel the product matches their expectations for durability and functionality, making it a popular choice among builders.

Fitment Issues

30%

While many customers report a perfect fit with Aero lowers, some express concerns about compatibility with other manufacturers' parts. Reviewers note that achieving a snug fit can require extra effort in certain cases, leading to mixed experiences regarding assembly with non-Aero components.

Value for Money

60%

Customers frequently mention that the Aero upper receiver offers great value for its price. Many indicate that it performs well without the high costs associated with other premium brands, making it an attractive option for those building custom ARs on a budget.

Assembly Complaints

22%

Some users encountered problems with improperly assembled features, like dust covers not installed correctly. While not all reviewers faced these issues, those who did found it frustrating, especially considering the product's pre-assembled nature. This theme reflects a need for greater quality control.

Overall Satisfaction

65%

Despite minor fitment and assembly issues, a large majority of reviewers express overall satisfaction with their purchase. They have confidence in the Aero brand due to consistent quality across numerous products and are likely to return for future builds.

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Blem

Definitely blemished, but its cool.

Nice, but issue with fitting Aero lower

I really like Aero products for the value. This is a no frills assembled upper. Here's the problem... it wouldn't fit a recently purchased standard Aero lower. The receivers mate only with extra force applied as the rear takedown lug is very snug. The rear takedown pin would not close at all. Not even budge from the open position. I used a Strike Industries enhanced LPK. A gen 1 Noveske lower also didn't fit. Luckily, I had a spare Spike's punisher lower that fit perfectly.

Good, Not Excellent

This is a solid 3. The only way it would get a 5 is if it fit better. I checked flimsy construction because I couldn't think of anything else to put the fact the it's rather lose. I bought two to mate with a couple of M&P lowers as the price was only 75 at the time. I share the one reviewer complaint that one of them had the dust cover assembled correctly, and I had to break down the whole upper to fix it. Otherwise, the forward assist was installed correctly, and everything I put on it fit correctly. It's just too darn loose. Lose to the point that I had to put an O-Ring on both of them, as the amount of looseness gave me concern with wearing out my takedown and pivot pen holes. #41 1/16 o rings to be exact. To take 99% of the wobble out of the Midwest industries upper, I use an old ring that is about 1/8 the size of that. There was so much wobble that if I don't put maximum pressure on it, the crosshair wiggles back and forth when shooting from my bipod. The upper that came with the performance center lower has almost no wiggle without an o ring. The 15t upper also had about 75 percent less wobble than this one. I'd say if it's less than a hundred and you don't plan on using it with a scope or have a problem with o rings and accuwedges then go for it, otherwise my experience suggest spend a little extra and you might get a tighter for from a brand that advertises a tighter fit or from a bullet upper.