by BD1 » Wed Jul 08, 2009 8:40 am
Volt, using a Rainier 200 grain .451 flat point, (because it's in the data base), with the start pressure set for a jacketed pistol bullet, Quickload tells me that a max load would be 36.5 grains of AA #9 yielding 2316 fps @ 39,720 psi out of a 16" .450 B. The prediction is that over 99% of the powder would be burnt by the end of the barrel, so it looks like a suitable load.
Quickload predicts that you could go as low as 30 grains of #9 yielding about 1,972 fps @ 24,515 psi out of the same barrel, and still burn better than 95% of the powder by the end of the barrel, making for a good "plinking" load which should cycle the action just fine.
You'd need to shoot a few over a chronograph to see how accurate these predictions are. The exact dimensions of the bullet, and the exact case capacity of your cases have a lot to do with it, but I'm not seeing anything about this load that's telling me it's not a good idea.
BD