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Rifles, Reloading, Optics, Equipment
Reloading
Is it best to start on lands/load work-up!
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<blockquote data-quote="Mikecr" data-source="post: 1020896" data-attributes="member: 1521"><p>Back off a couple grains from book max and run Bergers test: <a href="http://www.longrangehunting.com/forums/f28/getting-best-precision-accuracy-berger-vld-bullets-your-rifle-40204/" target="_blank">http://www.longrangehunting.com/forums/f28/getting-best-precision-accuracy-berger-vld-bullets-your-rifle-40204/</a></p><p>You can do this while fireforming brass if you like.</p><p>I see Berger as optimistic about the useful seating window width, and I extend testing to get ~10thou of best. Then I move to powder.</p><p>I don't do OCW, but instead a traditional ladder at 300yds. Then as mentioned I take my best seating so far + my best powder node, and add tweaking of seating both directions in a couple thou increments while group shooting at 200yds to dial in my very best(round groups).</p><p></p><p>Results depend on many things,, your chosen combination, barring any issues with components or primer striking, scope/mouning, rest, etc. This is still an abstract that could have you starting over completely with any change. But at least it's logical in progression.</p><p></p><p>boscodog, I would not be so concerned about 'chasing lands'. If you find best seating, you can stick with that setting. Land chasing only matters for those relying on a pressure node (different subject).</p><p>What I would consider with your reamer is keeping bullet bearing away from neck-shoulder junction. There is nothing but higher MV variance and fleeting tune there.</p><p>I'd have to pull up the cartridge and look at it with your intended bullet in software to give a recommendation.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 1020896, member: 1521"] Back off a couple grains from book max and run Bergers test: [url]http://www.longrangehunting.com/forums/f28/getting-best-precision-accuracy-berger-vld-bullets-your-rifle-40204/[/url] You can do this while fireforming brass if you like. I see Berger as optimistic about the useful seating window width, and I extend testing to get ~10thou of best. Then I move to powder. I don't do OCW, but instead a traditional ladder at 300yds. Then as mentioned I take my best seating so far + my best powder node, and add tweaking of seating both directions in a couple thou increments while group shooting at 200yds to dial in my very best(round groups). Results depend on many things,, your chosen combination, barring any issues with components or primer striking, scope/mouning, rest, etc. This is still an abstract that could have you starting over completely with any change. But at least it's logical in progression. boscodog, I would not be so concerned about 'chasing lands'. If you find best seating, you can stick with that setting. Land chasing only matters for those relying on a pressure node (different subject). What I would consider with your reamer is keeping bullet bearing away from neck-shoulder junction. There is nothing but higher MV variance and fleeting tune there. I'd have to pull up the cartridge and look at it with your intended bullet in software to give a recommendation. [/QUOTE]
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Is it best to start on lands/load work-up!
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