norma brass


Nov 10, 2009
nanaimo bc canada
well i just resized some norma 7mm mag brass to 270 wby.seen it on a couple threads here about resizin, my question is.. shall i reduce my powder load by 1,2,grs and wrk up slow bac to my orignal load or just load my pet load?? hopefully imm in the right section, thanks for ur output :) mark v ultralight 270 mag, and is there any problems doing this?


Well-Known Member
Dec 1, 2005
1-2 gr. less is probably a good idea. I use Norma brass for my 7mm RM, and I found that those cases had larger volume than Federal, or Win cases. I had to increase my powder charge of RL-22 by 1 gr. to get the same velocities when I started loading the Norma brass.

I really like the Norma brass, its all I use for the 7mm at this point.

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