I load 300 gr Oregon Trail hard cast over 22 gr H110. Tops 1,200 fps out of a Blackhawk 6 1/2", and the cases drop right out. CCI magnum primers. COAL 1.65". Watch how deep you seat those long bullets. In a revolver, these sting the palm and wack the knuckle behind the trigger guard, but they should be easy shooters in a rifle. Work up slowly, as always.
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