Ok, so Armalite says spec I'd 0.499-0.501". The ones I bought from Brownells (sold to them by Armalite, apparently) are middle to high end of this range. Is there a published spec from Crane?
IG stated that a set of his failed the test but the gun was still running 100%; is this par for the course with these or should one replace them as soon as they fail the test regardless of 100% function?
How can one be sure they are getting genuine McFarlands when buying from reputable sources?
Just curious. Thanks!
Last edited by Sparky5019; 11-07-13 at 16:02.
"An opinion solicited does not equal one freely voiced," Al Swearengen, Deadwood 1877.
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