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Jacob Grey Firearms Ultralight 5.56 NATO Complete Upper Assembly
As Low As $359.49 Save Up to 57%
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Most Helpful Positive Review Impressive
I don’t normally take the time to do a review but I felt compelled. I purchased the 16” when it was on sale. This is Tier 1 quality @ a great price point. We we’re getting great groups out of the box. I only have about one hundred rounds through it. I will try and do a fallow up after one thousand. ...
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Most Helpful Negative Review Not impressed
This URG has given more problems and joy. Failure to feed issues from day one. RMA'ed but still having issues. The same lower receiver/mags/ammo has had zero issues on a different upper. I would love to give this company the benefit of the doubt, but seeing how I'm still having a problems after RMA...
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Jacob Grey upper receiver

by BusaGroot0311, from KY, United States Written on July 31, 2025
Love the upper receiver, I wish the upper portion was wide enough for MLOK inserts. Which there are ways around that by purchasing Kinetic Development Group picatiny rail mounts. Very good quality overall, nothing bad to say.
Pros:
  • good price
  • High quaility
Cons:
  • Can not attach MLOK to the top of the hand guard
Would recommend: Yes
Was it helpful to you? Yes | No

light upper but solid upper receiver.

by Send, Verified Owner from CA, United States Written on October 20, 2022
I love this complete upper receiver. you guys are seriously missing out. comes with bcg and charging handle I’m so happy with this birthday gift of mine for myself. it doesn’t come with a forward assist which i don’t mind. i got the 16” 5.56 model. do yourself a favor and get this.
Pros:
  • light but solid
  • well made & engineered
Cons:
  • No forward assist(but not needed)
Would recommend: Yes
1 of 1 found the following review helpful.
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