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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
The Juenke I.C.C.
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<blockquote data-quote="BountyHunter" data-source="post: 27383" data-attributes="member: 12"><p>brent</p><p></p><p>Dave Tooley sells a tool ($40) that cuts the bullet tips/metplats uniform and true based on a distance up off the ogive. They are caliber specific, ie 6mm, 6.5, 7mm, 30 and 338 and not interchangable. Steve Shelp uses them and likes them a lot, particularily on the 338. That would allow you to get the uniform distance you are talking about if you wanted to go tip to the left. </p><p></p><p>As for so many DU units, now you see why guys who use these do it in lots of at least 1000 bullets in order to get quantities in each group. However, you might try other bullets, think you will find that the SMK is all over the chart, while the JLK and Berger are better, with the JLK being best.</p><p></p><p>Way I have always seen it done is to use calibration bullet and base to left, then calibrate the machine for the calibration bullet to set the norm of the group. Most guys using them end up with 6-8 groups on bergers and a handfull out of oddballs and max 2-3 DU groups with JLK. Sierra can end up with 10-15 groups as routine. They tend to sort by groups of 5 units, ie DU 11-15, 16-20, 21-25 etc.</p><p></p><p>BH</p><p></p><p>Brent</p><p></p><p>Buddy of mine just finished spinning 1000 Clinch River 216s (30 cal) and max deviation was 3 DU. Best he has ever spun. 95% were within 1 DU he said.</p><p></p><p>[ 06-24-2003: Message edited by: BountyHunter ]</p></blockquote><p></p>
[QUOTE="BountyHunter, post: 27383, member: 12"] brent Dave Tooley sells a tool ($40) that cuts the bullet tips/metplats uniform and true based on a distance up off the ogive. They are caliber specific, ie 6mm, 6.5, 7mm, 30 and 338 and not interchangable. Steve Shelp uses them and likes them a lot, particularily on the 338. That would allow you to get the uniform distance you are talking about if you wanted to go tip to the left. As for so many DU units, now you see why guys who use these do it in lots of at least 1000 bullets in order to get quantities in each group. However, you might try other bullets, think you will find that the SMK is all over the chart, while the JLK and Berger are better, with the JLK being best. Way I have always seen it done is to use calibration bullet and base to left, then calibrate the machine for the calibration bullet to set the norm of the group. Most guys using them end up with 6-8 groups on bergers and a handfull out of oddballs and max 2-3 DU groups with JLK. Sierra can end up with 10-15 groups as routine. They tend to sort by groups of 5 units, ie DU 11-15, 16-20, 21-25 etc. BH Brent Buddy of mine just finished spinning 1000 Clinch River 216s (30 cal) and max deviation was 3 DU. Best he has ever spun. 95% were within 1 DU he said. [ 06-24-2003: Message edited by: BountyHunter ] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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The Juenke I.C.C.
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