A solution in search of a problem? I’ve never actually noticed the cam pin contacting the upper on any of my guns, but I run Colt or Sionics BCs. Other than that, would it actually reduce wear?
This is the same guy that founded LWRC, but I believe he got out before or right after they expanded.
https://www.thefirearmblog.com/blog/...-bolt-carrier/
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