Thread: Superformance powder

Originally Posted by stevodog

Seems to be mixed reviews on this. Early pressure spikes, inaccuracy and lack of speed and accuracy in Danny's case.
Think I will try some IMR4831...oldie but goodie

I've used it in my .260AI , .260 and a 6.5 Creedmore all the .260 versions are in the 47 grain area I started at 45grns but mine are seated out long 20 thou off the lands and are running at the top end I'm getting over 2800fps with the 143ELDX with all three .260 although I do use RL22 in my Forbes.


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