Norma powder for .338LM

I can maybe offer some insight. You best info may come from Norma themselves. You can find tech support on their website.

Products - Norma

I emailed a guy about the 300 Norma mag, he said for accuracy it'd be good, not velocity. It didn't do well in the 7mm SAUM, but both these cases are overbore, I bought 5 lbs. I don't believe we tested it in the Norma mag. It might very well kick butt in the 338's.
 
I can maybe offer some insight. You best info may come from Norma themselves. You can find tech support on their website.

Products - Norma

I emailed a guy about the 300 Norma mag, he said for accuracy it'd be good, not velocity. It didn't do well in the 7mm SAUM, but both these cases are overbore, I bought 5 lbs. I don't believe we tested it in the Norma mag. It might very well kick butt in the 338's.

Hi milo
I emailed Norma a few days ago but so far no answer. I may eventually run some test on it and see what happen.
Thanks and good shooting.