Quote:
Originally Posted by phloudernow
I have the KAC SR16 series lower. I have a VFC SR635 and want to build an SBR upper so was wondering if other uppers fit.
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Isn't... the SR635 already an SBR? -___-
I'll check for you tonight, no guarantees that the 416 lower is the same as the VFC KAC lower though.