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Rifles, Reloading, Optics, Equipment
Reloading
How To Question????
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<blockquote data-quote="HoytemanPA" data-source="post: 125666" data-attributes="member: 286"><p><a href="http://www.sinclairintl.com/cgi-bin/category.cgi?category=RESDTCO&amp;item=SDC-0X&amp;type=store" target="_blank">Davidson Seat Depth Checker</a> </p><p></p><p>I use this one for $14.</p><p></p><p>If you find inconsistency in measurement, Take a bullet that you are most likely going to be using, coat it with JB and lightly spin it in the tip of the checker. Measurements are very repeatable, I do base/ogive readings on the bullets. You can do bearing surface if you get two, but I've quit doing that. Tool is also invaluable to document loaded round OAL (to ogive). I don't use the base attachment for the cartridge head, just the nose piece.</p><p></p><p>Bullets have really come around in the last two years. Three years ago I was finding .020 variance this year it is down to somewhere around 90% +/- .001 8% +/- .002 2% +/- .003 </p><p></p><p>Thanks goes out to Hornady, Sierra, and Lapua!</p></blockquote><p></p>
[QUOTE="HoytemanPA, post: 125666, member: 286"] [url="http://www.sinclairintl.com/cgi-bin/category.cgi?category=RESDTCO&item=SDC-0X&type=store"]Davidson Seat Depth Checker[/url] I use this one for $14. If you find inconsistency in measurement, Take a bullet that you are most likely going to be using, coat it with JB and lightly spin it in the tip of the checker. Measurements are very repeatable, I do base/ogive readings on the bullets. You can do bearing surface if you get two, but I've quit doing that. Tool is also invaluable to document loaded round OAL (to ogive). I don't use the base attachment for the cartridge head, just the nose piece. Bullets have really come around in the last two years. Three years ago I was finding .020 variance this year it is down to somewhere around 90% +/- .001 8% +/- .002 2% +/- .003 Thanks goes out to Hornady, Sierra, and Lapua! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
How To Question????
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