Superformance in 6.5 creedmore

[john 800]

My dad has been thinking about a henry long ranger in 6.5 creedmore. So... I was looking at load data and sierra lists a 140gr load with superformance as their hunting load at 2900, hogdon lists a few 140-150 loads in the high 2700-2800 range, with superformance being the powder with highest velocity, with most powders being 100-150 fps slower. Has anyone here tried it? I am curious how accuracy is, and if the velocity numbers are realistic.
I have one pound of superformance, and he amd are are both hesitant about adding a caliber that he or i do not have any components for with supplies the way they are now, so hopefully we can get something to work with powder we have if we can just scrounge up some bullets

 

[Homer67]

My dad has been thinking about a henry long ranger in 6.5 creedmore. So... I was looking at load data and sierra lists a 140gr load with superformance as their hunting load at 2900, hogdon lists a few 140-150 loads in the high 2700-2800 range, with superformance being the powder with highest velocity, with most powders being 100-150 fps slower. Has anyone here tried it? I am curious how accuracy is, and if the velocity numbers are realistic.
I have one pound of superformance, and he amd are are both hesitant about adding a caliber that he or i do not have any components for with supplies the way they are now, so hopefully we can get something to work with powder we have if we can just scrounge up some bullets

I have been using Superformance in my 6.5CM. Accuracy is fair at max load. My rifle is a 1980's vintage Ruger M77 with a 26" Krieger barrel. It is glass bedded. The barrel length might be hampering best accuracy, but I wanted max velocity for down range energy. At .2 grains below max my chronograph reads 2780fps.

 

[Homer67]

I have been using Superformance in my 6.5CM. Accuracy is fair at max load. My rifle is a 1980's vintage Ruger M77 with a 26" Krieger barrel. It is glass bedded. The barrel length might be hampering best accuracy, but I wanted max velocity for down range energy. At .2 grains below max my chronograph reads 2780fps.

I forgot to say that I'm getting just under an inch for three shots at 100 yards with 143 grain Hornady ELD-X. Barrel twist is 1:8