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Old April 10, 2018, 23:58   #6
FALaholic #: 51475
Join Date: Jan 2010
Location: Centerville, OH
Posts: 202
The last kit I bought from Apex had a ground bolt head, should've been 1.832" long, measured 1.821" long. Every ground bolt head I've ever seen or read about has been 1.821" long. For a long time CAI took all the flak for grinding bolt heads but after finding this in a Spanish kit I suspect that it may have been an armory trick all along.
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