For those shooting big conicals. Here's some info on recoil. Gun weight shown is the muzzy weight.
.54 cal, 510gr conical at 1288fps is 43 lbs of recoil.
That's equal to a .458 mag with a 400gr bullet.
9.5lb gun
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Another one.
.50 cal, 410gr conical at 1400fps is 29.9 lbs of recoil
Equal to a .375 H&H mag with a 270gr bullet
9.25lb gun
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One more
.45 cal, 285gr bullet at 1550fps is 22.8lbs of recoil
Equal to a 30-06 with a 200gr bullet
8.5lb gun