This is the rhetoric that RRA used when pimping their non-chrome-lined AR's. There is a link missing here, though, folks. What everyone does is compare a chrome-lined, non-match barrel to a match grade stainless barrel. Of course the stainless barrel is more accurate, but I suspect it has more to do with the conditions/tolerances under which it is produced, than the material (though the material may have some effect on repeatability.) The conclusion many try to draw from this is that chrome-lining is detrimental to accuracy, so, an un-chrome-lined chromoly barrel will be more accurate than a chrome-lined one. I have never seen any evidence to support this (all other manufacturing conditions held constant). Furthermore, it's not worth the tradeoff in reduced life/durability.
Semper Paratus Certified AR15 Armorer
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