07-26-2018, 04:40 AM
bj139 Wrote:I was surprised at the high thermal conductivity of carbon fiber as well.
But, as noted in the article thermal conductivity through epoxy is much less.
Mirage is a serious issue with a Proof barrel. In a 10 round string, the gas block externally doesn't get over ambient air temperature. It would not surprise me if in a cold environment, during slow firing, that every shot was a cold bore.