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Rifles, Reloading, Optics, Equipment
Reloading
Testing primers
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<blockquote data-quote="TRG65" data-source="post: 1677641" data-attributes="member: 103919"><p>I've tried magnum primers in a couple of "magnum" loads, 7WSM and 338WM. However, even match magnum primers gave poor SD's and ES's. When I put in the CCI LR BRs, the groups and the SD's shrunk. The 7WSM load was 65'ish grs of powder and the 338WM is 71.5. Both have been shot in the cold and work just fine. If I ever get a 338LM I might find a use for my magnum primers, but until then...</p></blockquote><p></p>
[QUOTE="TRG65, post: 1677641, member: 103919"] I've tried magnum primers in a couple of "magnum" loads, 7WSM and 338WM. However, even match magnum primers gave poor SD's and ES's. When I put in the CCI LR BRs, the groups and the SD's shrunk. The 7WSM load was 65'ish grs of powder and the 338WM is 71.5. Both have been shot in the cold and work just fine. If I ever get a 338LM I might find a use for my magnum primers, but until then... [/QUOTE]
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Testing primers
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