Have you looked at the 6CM (Competition Match not creedmore)? It's a 243 30*AI more or less. They are running slow H1000 powder to extend barrel life and still pushing the 105s to around 3100fps.
"I threw a touchdown pass in the last minute to win the state championship game. I know it was 30 years ago and not relevant to this discussion but it makes me important and believable, it's the only great thing I even accomplished"
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