Gents,
I am looking to go beyond hard chrome for barrel lining; having seen some problems with chrome-lined barrels recently. On dozens of 5.56 barrels, chrome is teared from throat & muzzle after roughly 3000 rounds...pretty disappointing.
So, I am studying the various "new" treatments now existing. Of course, there is nitriding, so widely used today. But is there anyone who tried Co-P-SiC coating ? (US patent US2012/0247962 A1)
I am not a chemist but, from what I understand, it would be a pretty good candidate to replace hard chrome for barrel lining.
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