need 338 norma mag data with MRP

yeti052

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Joined
Mar 6, 2014
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Location
NY
I am about to start load workup for my new 338 NM. Will be using 300 bergers 215m primer...

Anyone use or have any data with Norma MRP? Norma's loads seem anemic and I know many here get better velocity. I know Re22 is close to MRP but would like to hear from folks that might be using it.

Rifle is custom RWS gunsmith Deviant magnum action, brux barrel

Thanks for any data...
 
I have also been working with the "new" MRP in several calibers with more work to be done. Velocity and accuracy in the .300WM has been good.
Working with data in the .270 and 30-06 does seem anemic with my Chrony. I am working up slowly. Data from old sources appear to more robust.
Any others experienced this?
 
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