James Bis in the ballpark......Do not overlook IMR4064.....start with 52gr and work up til pressure signs. If you have a modern action, be cautious and optimistic as near 2700'/sec is doable.
takes me 59.5 grains of reloader 15 to get to 2675 (measured 15 feet from muzzle) with the AI version of the 35 Whelen.... that is a few grains overloaded for the parent cartridge...
been playing with 4064 also... accuracy is there.. the velocity is not vs Reloader 15....
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