80 grain bullets, Superformance powder in a fast twist 22-250

I've tried Superformance in an 8 twist 22 Creed with 80gr bullets and (so far) all SDs have been high and accuracy poor. It's possible that I just haven't found the right combo, but early results haven't been good.

FWIW - RE17 has produced excellent accuracy and low SDs.
 
No real world experience but I have read a lot of articles claiming leverevolution is the cats meow in the 22-250 w/ heavies.

Might be worth a look if you don't already have a shelf full of superformance.
 
The reason for the question is I have been getting superb accuracy with 75 grain Berger VLD's and Barnes 62 grain TTSX's and would like to venture into the 80's. I have a limited supply of Superformance, thus the question before going heavier.....
 
The reason for the question is I have been getting superb accuracy with 75 grain Berger VLD's and Barnes 62 grain TTSX's and would like to venture into the 80's. I have a limited supply of Superformance, thus the question before going heavier.....

If you're getting superb accuracy with Superformance and 75 Bergers, I'd expect that it would work just as well with an 80gr version.
 
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