I shoot a standard 6mm x 30 (just a necked down 30-30 no shoulder angle change. here is my favorite load;
Remington case (30-30 brass 129 gr +/- 1 gr) sized trimmed and neck turned (128 grains + / - 1 grain)
trimmed length 2.0"
OAL 2.595"
Sierra 85 gr, Spitzer #1520
32.1 grains of IMR4064
CCI 200 primer
3002 fps from a 24 inch barrel (chronographed)
average group size .625 at 100 yards
Standard deviation 12.7 fps
NOTE: this is an excellent deer cartridge. In my rifle the chamber neck is a bit tight - if you don't need to turn the neck then don't.
I tried H335 but found that no charge produced usable loads. I had cratered primers from 31.5 all the way down to 28 grains of H335. If I had found a load below 28 grains that didn't crater primers it would have yielded velocities too low to use. I wanted a load that was at or above 3000 fps with an 85 grain bullet that produced sub MOA groups and I have it - so I stopped looking for any better loads.
