So many different ar57 uppers, which one to choose?

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yongxingfreesty
July 28, 2009, 12:04 AM
I am interested in a 11" 5.7x28 upper for my ar15.
I realized there were three makes out there: PWA, ATI and Aero Precisions.

Which co. offers the SBR version and is a better shooter(more reliable/accurate/less problems)?
I will most likely be running the ps90 clone mags at $28each to keep the cost down. Are there any uppers that work better with these mags?

Thanks!
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yongxingfreesty
July 28, 2009, 03:59 PM
posted on 3 diff forums, anyone?
lobo9er
July 28, 2009, 04:06 PM
i think smith and wesson makes one too maybe wrong though
yongxingfreesty
July 29, 2009, 02:15 AM
nope, just found out troy makes one too. not sure which one to buy.
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