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Aero Precision M4E1 10.5in 5.56 Barrel w/ FSB Complete Upper Receiver with Flash Hider
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Most Helpful Positive Review
Really nice to have the FSB with the free float
I think this is the first upper Aero has made that has incorporated the FSB but also a M-lok and free-float rail rather then have the drop-in hand guards. Just looks better and feels better, a little more secure for attachments. I really like the look of the FSB uppers. Reminds me a lot of the diffe...
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Most Helpful Negative Review
Partial picatinny rail version poorly designed
No good way to configure the partial rail version with light / laser and switches. Not enough rail space to accommodate a good forward grip with any device attached. Don’t waste your money on this version. Get the mlock instead. This was a bad idea.
its a pretty great upper.
I run this on a spike tactical lower, with a super safety installed. This upper handles it flawlessly, be it semi auto, or super safe. Never have any issues with it.
Would recommend: Yes
1 of 1 found the following review helpful.