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Rifles, Reloading, Optics, Equipment
Reloading
Help a gal with load development-seating depth
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<blockquote data-quote="bengineer" data-source="post: 1744416" data-attributes="member: 36951"><p><a href="http://optimalchargeweight.embarqspace.com/" target="_blank">http://optimalchargeweight.embarqspace.com/</a></p><p></p><p>I use Dan's method. It conserves throats and makes a fast, effective result. I do the same thing with seating depth/length in 0.020" increments. If I can't get a result at twenty thou jumps, I can cut back to five or ten. Or one. But I think you will find that a .01 grain or even a .1 grain powder charge difference is negligible just as a .001 or .002 length difference will be. Heck, a lot of hp long range hunting bullets have .010 length differences, which is why we use bore diameter comparators instead of measuring case overall length.</p><p>My goal is quick load optimization, fewer trips testing at the range means more time shooting. Fewer holes in paper means more steel or flesh pounded in the field. And more throat life left for doing what I bought a gun for: shooting stuff!</p></blockquote><p></p>
[QUOTE="bengineer, post: 1744416, member: 36951"] [URL]http://optimalchargeweight.embarqspace.com/[/URL] I use Dan's method. It conserves throats and makes a fast, effective result. I do the same thing with seating depth/length in 0.020" increments. If I can't get a result at twenty thou jumps, I can cut back to five or ten. Or one. But I think you will find that a .01 grain or even a .1 grain powder charge difference is negligible just as a .001 or .002 length difference will be. Heck, a lot of hp long range hunting bullets have .010 length differences, which is why we use bore diameter comparators instead of measuring case overall length. My goal is quick load optimization, fewer trips testing at the range means more time shooting. Fewer holes in paper means more steel or flesh pounded in the field. And more throat life left for doing what I bought a gun for: shooting stuff! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Help a gal with load development-seating depth
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