Originally Posted by
TacMedic556
throat erosion is something I hear a lot about. Never had a gun shot enough with it as an issue.
head spacing is key to be checked in guns that are re-barreled and I have read that the military armorers check it often (annual). We can all do this with a "go", "no go" gauge.
in order of wear, I would think it would be, Springs, Cam, extractor, ejector, gas key and bolt, BCG.....barrel should last 30,000+ rounds.
Filthy 14, a standard 16 inch Middy by BCM is over 40,000 rounds now. That gun isn't even cleaned.....hardly.
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