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.
 
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.
I planed to do that, but was mainly looking to see if anyone has already ventured there. I have a few of the 80 grain JLK's to use, but with them not being made anymore, I was looking to conserve as many as I could. I use their 105's in a 6 Creed with excellent success. You not having very good success with the 80's in a 22 Creed made me even more me nervous to try them due to using them in a fast twist 220 Swift already. I maybe will leave well enough alone with the JLK's in the 22-250 for now....
 
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