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Rifles, Reloading, Optics, Equipment
Reloading
Ugly extreme spread........now what ?
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<blockquote data-quote="Dell" data-source="post: 1672802" data-attributes="member: 80665"><p>Now that you have a chrono, I'd start with a minimum 10-12 round ladder test. I can tell you the ladder tests have worked great for me. Find that flat spot on your velocities and begin playing with bullet seating depth from there. I can tell you from experience you will need to be METICULOUS in your reloading technique for the 10 round ladder test to work. I use once fired, weigh sorted Lapua brass, bump the shoulders .003 and size the necks down .002. </p><p>For a good in depth article on the ladder test, go to the 6.5 Guys website or google 10 round ladder test 6.5 Guys. I've been doing this test for several months and have found that once you find your velocity sweet spot any of the good recommended powders will work at the velocity your rifle likes. I worked up two loads for two different precision rifles last week (a 6.5 and a .308) when all was said and done both had single digit extreme spreads and shot well within half MOA at 100. The lower your ES, the better you will find your groups as you increase yardage. I start my ladder testing with a .015 Bullet jump then play with different seating depths after I find my velocity flat spot. Anyway, this is what works for me. Good luck! Hey, if it was easy, wouldn't be near as much fun!</p></blockquote><p></p>
[QUOTE="Dell, post: 1672802, member: 80665"] Now that you have a chrono, I’d start with a minimum 10-12 round ladder test. I can tell you the ladder tests have worked great for me. Find that flat spot on your velocities and begin playing with bullet seating depth from there. I can tell you from experience you will need to be METICULOUS in your reloading technique for the 10 round ladder test to work. I use once fired, weigh sorted Lapua brass, bump the shoulders .003 and size the necks down .002. For a good in depth article on the ladder test, go to the 6.5 Guys website or google 10 round ladder test 6.5 Guys. I’ve been doing this test for several months and have found that once you find your velocity sweet spot any of the good recommended powders will work at the velocity your rifle likes. I worked up two loads for two different precision rifles last week (a 6.5 and a .308) when all was said and done both had single digit extreme spreads and shot well within half MOA at 100. The lower your ES, the better you will find your groups as you increase yardage. I start my ladder testing with a .015 Bullet jump then play with different seating depths after I find my velocity flat spot. Anyway, this is what works for me. Good luck! Hey, if it was easy, wouldn’t be near as much fun! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Ugly extreme spread........now what ?
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