Quick question what is most folks thoughts about Bear Creek barrels and how is Primary Arms to work with? Am thinking about doing a 6.5 creedmore AR; 22"; aero upper if it fits a PSA gen 1 lower , if not match it with an aero lower
I'm glad this was posted, I've been think on building an alternate upper for my PSA lower, but with the 6.5 Grendel
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