Hi Curl,

You're right, it's an interesting discussion. But Krieger offers a hypothesis that sounds good, without any experimental evidence. If a consensus of shooters supported the hypothesis that the Earth is warming due to anthropogenic carbon dioxide emissions, that wouldn't make it so. Neither does it convince me that breaking in a barrel does any good.

Mind you, I do not take the position that break-in procedures do no good. My position is that there is no evidence that it does so. I am unconvinced either way.