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HERA Arms HCU AR Upper Reciever
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Most Helpful Positive Review Receiver fantastic quality. polymer dust covers stink.
Absolutely love the quality of Hera arms products and this upper doesn’t disappoint with one exception. The polymer dust covers look amazing but the two uppers I bought both dust covers would not latch in place. Had to replace them. I contacted Optics Planet about the problem but they never got ba...
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Most Helpful Negative Review Bad Fitment. PASS PASS PASS......
Looks Like a quality product but has a loose fit caused Loading issues and ridiculous amount of rattle between lowers and this. Made it very hard to load first round for some odd reason. Removed and reinstalled barrel twice thinking barrel was off but it wasnt then tried this upper with other lowers...
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HERA Upper

by JB, Verified Owner from AZ, United States Written on January 15, 2025
High gloss. Didn't match lower or handguard because of the shine. If used, I would recommend replacing the cheese plastic dust cover.
Would recommend: No
Was it helpful to you? Yes | No

HERA Arms upper

by Harry, Verified Owner from MA, United States Written on January 24, 2024
I've been trying to find the non-forward assist version of these for a couple years now.
Very Well Made! Super slick surfaces. More polished and glossy than typical anodizing, maybe PVD.
Not sure on the durability of the plastic dust cover doors.(keeping one star in reserve against cracking)
Being European made, there's no auto sear relief cut on bottom
Would recommend: Yes
Was it helpful to you? Yes | No

Looks good but out of spec

by Keoki, Verified Owner from FL, United States Written on September 26, 2023
Got this for a new upper build but it would not fit onto any of my lower receivers because the front takedown pin hole could not fit any takedown pin, so I had to shave it down to fit. I also cannot fit my Radian charging handle as it gets caught on the inside notches and will have to file them down too.
Would recommend: No
1 of 1 found the following review helpful.
Was it helpful to you? Yes | No

Doesn’t fit any hand guards, missing pieces

by Ben, from WV, United States Written on April 2, 2023
This thing is garbage. Doesn’t fit knights armament, geissele, aero, and who knows what other hand guards. Was missing spring for dust cover so the pin just falls out. Trash! Do not buy!!!! Will be returning.
Pros:
  • Looks cool
Cons:
  • Fits nothing
Best Used for:
  • PAPER WEIGHT
Would recommend: No
2 of 7 found the following review helpful.
Was it helpful to you? Yes | No

Very nice!

by Dave, Verified Owner from MO, United States Written on October 15, 2021
I originally wanted to upgrade my upper so i could have a dust cover because my DPMS didn't include one.

Seen this and purchased it because it looked modern. I had to take my rifle to a gunsmith because I didn't have the proper tools but it ended up fitting really nice and looks really good. My only complaint is that the dust cover is pretty much garbage, its so flimsy.

Otherwise I'm really happy with this.
Would recommend: Yes
Was it helpful to you? Yes | No
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Last updated 2025-11-12 UTC.