by
Chickenhawk,
from AZ, United States
Written on February 7, 2025
I was gifted this set. When I was cleaning the upper a few days ago, I noticed a crack in the plastic on the left side of the front lug. I tried reaching out by email and haven't heard back from ATI. But looked on their website and looks like it would not fall under warranty cuz I'm not the original purchaser and have no paperwork. So keep an eye for developing cracks by those lugs. I would not recommend spending $ on this. I only have it because someone gave it to me.
Would recommend: No
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by
spitster,
Verified Owner
from IA, United States
Written on August 28, 2023
Bought about a week ago with the intent of doing a polymer build, the barrel nut was no issue along with pins aligning with a few of my lower receivers still have yet to shoot, but will update once I get out to the range.
Would recommend: Yes
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by
daddyg,
from KS, United States
Written on June 19, 2022
Works to complete a gun might use the one I have left for a 22lr or could possibly be good on a .410 (if someone would sell the parts to build one. Used on a 6.5 Grendel would throw wild stuff all over the paper, lost a lot of gas pressure because of it too. Switched to a metal upper and all issues went away.
Would recommend: No
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by
Sdt,
Verified Owner
from MS, United States
Written on April 1, 2022
I didn’t expect aero precision quality at this price point but I did expect better. The upper is not in spec as I tried it on 3 different lowers and the pin holes don’t line up . The rear pin hole is oblong and the metal areas look and feel like die cast. I may build a 22lr out of it at some point but, personally, I just don’t trust it. It might be ok for a larger caliber but I’m not going to be the one to try it.
Would recommend: No
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by
brolord17,
Verified Owner
from AZ, United States
Written on March 31, 2022
I really wanted this to work. i as going for a lightweight build but its too good to be true. my trybe 9mm barrel woudln't fit....that's the 1st time that ive ever had an issue with a barrel not fitting in an upper. disappointment.
Would recommend: No
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by
Kev,
Verified Owner
from AZ, United States
Written on February 4, 2022
This is worth every penny. I one hundred percent recommend this upper. The trigger group that comes with their lower is weird but other than that this upper and lower have had no issues. I'm running a pistol bolt carrier in mine, and it works like a champ.
Would recommend: Yes
2 of 3 found the following review helpful.
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by
ABigFatAsian,
Verified Owner
from CA, United States
Written on January 29, 2022
Thought to give this a chance for Carbon fiber build...well save your money. Went to torque the barrel nut and didn't even get to 30ft lbs. and the pivot pin lug snapped. Now having trouble getting the barrel nut loosened. Can't believe this trash is being sold...would have left the Stars blank but it required me to at least put one star. My Nerf gun has a better quality plastic then this thing.
Cons:
- Everything about this thing
Best Used for:
- Nothing, unless you want to throw it at someone cause it's a terrible door stop!
Would recommend: No
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by
Jerico23ban,
Verified Owner
from OR, United States
Written on January 22, 2022
I waited to review this as I enjoy first hand experience but unfortunately few years and only few hundred rounds My wife like it her toy but we couldn’t get it to zero after few different sets of sights then a red dot it would zero 3-5 rounds later be off further and further with use eventually we set it left it and cooled down and was on for a few shots
After on and off tinkering over and over again we figured out build up material where barrel seats was flexing and would allow barrel to sag and pivot after smoothing and heavy grease reassembly 3 times about 5 MOA first few shots then opens up making it just that a range toy
Never failed to shoot or flex and caused failure but will never be zeroed
Pros:
- Cheap & budget friendly, functions.
Would recommend: Yes
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by
Bryan,
from IL, United States
Written on January 19, 2022
Bought this for a .22 plinking rifle a while ago, just got around to assembling it. Went to torque the barrel on to 30 ft/lbs and the front pivot pin lug sheared right off. Very disappointed. The metal is a cheap cast pot metal that is then held together by injection molded polymer. The metal I believe is a Zinc alloy that does not inspire confidence at all. If I were able to get it torques properly I think .22 would be just fine, but I would not trust this at all for .223/5.56mm
Cons:
- poor quality
- fragile
- quality and lifespan
Would recommend: No
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by
Jon,
from FL, United States
Written on November 5, 2021
My ATI works perfect. It is light and sure firing all ammo 223 and 556.I. Have used over 1000 brass and steel with few problems at all. I found it likes brass 223 and Red Oops 223 best! Please come into this century and truss this ATI brand.
Cons:
- You forget you are holding it it is light
Best Used for:
- Any use as it is light and accurate and strong
Would recommend: Yes
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