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Upper what do u like

Why is this in this section instead of the semi-auto?

In any event...pick a quality, mil-spec upper and be done with it. Brand isn't an overriding concern for me in this area of a build. If you do NOT already have a lower, might as well get a matched set while you are at it.
 
QualityArms.net left side charge right eject billet. LAR OPS-4 is no longer in production and comparing them side by side, well, thanks remington.
 
QualityArms.net left side charge right eject billet. LAR OPS-4 is no longer in production and comparing them side by side, well, thanks remington.

I've got a nice LARS-OPS4 upper in the classifieds right now ;)
 
Is this serious

Sorry I thought this was about whole assemblies including barrels. my fault.

Mega, seekings, SI defense , LARS, they are all well cut and tight.
Many brands come from the same OEM mills anyway so many other good brands.