2225 is a bitch.
I did some load development with my new 338 Norma mag in the weekend.
I had 1 pottle that had a different batch number on it so I used that.
I had nearly used it all so I had settled on a load & then broke open the next pottle.
New powder is too hot with same weight, gained 40-50 fps...Bugger now I have 20 to pull & reload with 1 or 2 grains less.
I have some Retumbo so I guess I will have to check that as well.....
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