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Rifles, Reloading, Optics, Equipment
Reloading
Flyers from the STW
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<blockquote data-quote="cjuve" data-source="post: 1083193" data-attributes="member: 31341"><p>How did you go about picking the seating depth for your bullets? I have recently been working up loads for a .338 edge +P with 300 gr bergers. My procedure started out with new brass with minimum loads, adjusting seating depth first. I started at .130 off lands and progressed to within .010 of the lands in .040" increments always watching for pressure. Groups varied from .80" to .28" at 100 yds using the same powder charge, all of the groups outside of the seating sweet spot exhibited single flyers throwing the group out. I shot multiple groups with the same result leading me to believe that the seating depth was the major contributor to the flyers in my setup. Not saying that it would work in your case but I think that is where<u><em> I</em></u> would start first if this option has not been explored. As always start with safe loads and work in from there, I am not sure how sensitive your round is to seating depth but after loading extensively for a short throated 7 RUM I can assure that pressure can and will change with seating depth, sometimes to a great degree making the load unsafe.</p></blockquote><p></p>
[QUOTE="cjuve, post: 1083193, member: 31341"] How did you go about picking the seating depth for your bullets? I have recently been working up loads for a .338 edge +P with 300 gr bergers. My procedure started out with new brass with minimum loads, adjusting seating depth first. I started at .130 off lands and progressed to within .010 of the lands in .040" increments always watching for pressure. Groups varied from .80" to .28" at 100 yds using the same powder charge, all of the groups outside of the seating sweet spot exhibited single flyers throwing the group out. I shot multiple groups with the same result leading me to believe that the seating depth was the major contributor to the flyers in my setup. Not saying that it would work in your case but I think that is where[U][I] I[/I][/U] would start first if this option has not been explored. As always start with safe loads and work in from there, I am not sure how sensitive your round is to seating depth but after loading extensively for a short throated 7 RUM I can assure that pressure can and will change with seating depth, sometimes to a great degree making the load unsafe. [/QUOTE]
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