It is one of my "go-to" cast bullet powders.As mentioned in Txhillbilly's link,you need to be aware of pressure curve.....which is one part of it's charm with lead.
It wouldn't be on my list of powders for reduced loads for jacketed fodder......ain't sayin not to,just think theres better powders.
With a 22-250....I'd be looking/researching on trying to reduce throat temps?I use the classic H-380 load in my "250" and just be careful with rate of fire.Good luck with your loading.
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