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Old September 14, 2012, 12:00 AM   #38
Clark
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Join Date: December 4, 1999
Location: WA, the ever blue state
Posts: 4,678
CAUTION: The following post includes loading data beyond currently published maximums for this cartridge. USE AT YOUR OWN RISK. Neither the writer, The Firing Line, nor the staff of TFL assume any liability for any damage or injury resulting from use of this information.

I converted a VZ24, made a little after 1924, from 8x57 to 7mmRemMag by opening up the bolt lips, opening up the extractor, opening up the feed lips, lengthening the magazine, rebarrelled with a Lothar Walther barrel, and cut the chamber to 7mmRM with .215" headspace.

Before I hunted with it, I experimented up to QL 107 kpsi in that rifle, but that is not good for it.

With 150 gr Ballistic tip bullets I am using 66 gr H4350 3.4".
QL thinks that is 65kpsi.

Hodgdon has listed a very long time a load for 7mmRM 150 gr 57 gr.

And now I see they have added another load for 150 gr at 62 gr.
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