According to my info the factory loadings are only doing about 32 to 33K psi and the 30-30 is listed as 42K by SAAMI so there is room for 10,000 psi just to equal 30-30. Then the 356 and 307 push on up to 50,000 in the same action. The case may not allow 50,000 but I would think that the 42,000 level of 30-30's should be reasonable. That should give velocities in the 2200 fps range with 200 gr. bullets. Those guys on the other forums are running over 2300 fps with 200 gr. bullets at around 46K psi, that should be good velocity if the accuracy is still there.
I would like to try some experimentation when I find a good 336 in 35 cal. Sounds like fun!
Interesting discussion, thanks for your input.
Jim
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