I'm shooting Ultramax .44 Mag Cowboy ammo from my Browning M92 with a 20" barrel. Ultramax states on their website that the MV is 710 fps. Although they don't state the barrel length, I'm sure that this MV is from a revolver with a 6" - 7 1/2" barrel. Can somebody give me a ballpark figure for the MV from my rifle?
"A pistol is what you use to fight your way back to the rifle you never should have left behind!" Clint Smith, Thunder Ranch
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