I'm curious to know how legit those numbers are. All logic would suggest that a heavier bullet with a generally similar propellant would be moving at less velocity, because the charge has more load to push down the barrel.
Speculating, but maybe HSM is giving performance numbers from a 44 rifle and the latter are using a revolver?
If not, and those are out of the same barrel, then HSM's Bear Load cartridge is certainly a monster of a recipe.
Hey Petamocto,
As I said, I bought a box of this stuff from Ammo Supply about a month ago. The muzzle velocity is listed by the factory at 1260 fps for the 305 gr. WFN gas-check hard cast lead bullet. But (for some reason) there is no mention of the barrel-length that produced that number. I couldn't find it on the factory website or anywhere else on the Internet, either.
So I just now picked up the phone and talked to a friendly/helpful fellow in HSM's technical department down in Montana ... and learned that them numbers are from from a six-inch barrel. Very impressive ... my Rossi Ranch Hand has a 12-inch barrel, so I am good-to-go.
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