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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bullet touching the lands or 2000th back?
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<blockquote data-quote="aushunter1" data-source="post: 1669247" data-attributes="member: 57533"><p>In a recent same subject thread I put up this picture of some recent LDI was doing for a new rifle.</p><p>I start all my LD at .010 off the lands.</p><p>This was my second rounds of LD after finding in the 1st that 58gr was around the right powder charge but I also wanted to check the 56 & 57gr as well.</p><p>For this projectile you can see even at all 3 powder charges that .005 out performed the .015 CBTO depth & were also better than the .010 as well.</p><p>[ATTACH=full]140654[/ATTACH] </p><p></p><p>I was also testing a Speer 150gr SPBT projectile & the opposite occurred, all the 0.015 seating depth groups were better.</p><p></p><p>I think there are a lot of factors like ogive shape for one, but yeh you just have to shoot em & find out what they like!</p></blockquote><p></p>
[QUOTE="aushunter1, post: 1669247, member: 57533"] In a recent same subject thread I put up this picture of some recent LDI was doing for a new rifle. I start all my LD at .010 off the lands. This was my second rounds of LD after finding in the 1st that 58gr was around the right powder charge but I also wanted to check the 56 & 57gr as well. For this projectile you can see even at all 3 powder charges that .005 out performed the .015 CBTO depth & were also better than the .010 as well. [ATTACH=full]140654[/ATTACH] I was also testing a Speer 150gr SPBT projectile & the opposite occurred, all the 0.015 seating depth groups were better. I think there are a lot of factors like ogive shape for one, but yeh you just have to shoot em & find out what they like! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bullet touching the lands or 2000th back?
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