They do seem hot, but I shoot surplus brass, so I have to back down 1.0 - 1.5grs anyhow. I'd recommend coming down a full 4-5grs from the loads listed above for starters. I suspect that Dan Newberry has a leade that begins about halfway down the barrel.
Quote:
155 grain Sierra Matchking
45.6 grains IMR 4895
Winchester or Lapua case
Federal 210 or WLR primer
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With this bullet on an LC case, 2.82", WLR primer, I get gas leaking around the primers at 41.5grs IMR4895 from time to time.