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Rifles, Reloading, Optics, Equipment
Reloading
Getting a true aol.
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<blockquote data-quote="nosualc" data-source="post: 1054372" data-attributes="member: 19537"><p>+1 on what AZShooter sez...</p><p></p><p>That tap is an odd-ball size. I looked at several standard hardware type stores and was unable to find one. I ordered mine from MSC. The threads are very thin with this tap and the drill bit you use to make the hole is very important (can't remember offhand what size I use).</p><p></p><p>I find I get better results from the polish and seat method outlined above. I do this to establish a 'zero' on my seating die and then keep this as a reference point, offsetting my seating depth from there (e.g. .020" in, .020" out). Note that this 'zero' point will change as you shoot the rifle and the throat erodes. You will have to periodically re-check this along the way ("chasing the lands").</p><p></p><p>Note also, that different bullets (even within the same lot#) will vary enough to affect this, sometimes dramatically. I am of the school that believes that if you're going to jump or jam, do so by a large enough distance to negate this variance. Trying to jump or jam .002" is a fools errand unless you first sort your bullets by the distance from where your seating die contacts the bullet to the point it contacts the lands (ogive). If you don't sort first, your .002" jam may end up being a .002" jump. +/- .005" is no mans land.</p><p></p><p>-nosualc</p></blockquote><p></p>
[QUOTE="nosualc, post: 1054372, member: 19537"] +1 on what AZShooter sez... That tap is an odd-ball size. I looked at several standard hardware type stores and was unable to find one. I ordered mine from MSC. The threads are very thin with this tap and the drill bit you use to make the hole is very important (can't remember offhand what size I use). I find I get better results from the polish and seat method outlined above. I do this to establish a 'zero' on my seating die and then keep this as a reference point, offsetting my seating depth from there (e.g. .020" in, .020" out). Note that this 'zero' point will change as you shoot the rifle and the throat erodes. You will have to periodically re-check this along the way ("chasing the lands"). Note also, that different bullets (even within the same lot#) will vary enough to affect this, sometimes dramatically. I am of the school that believes that if you're going to jump or jam, do so by a large enough distance to negate this variance. Trying to jump or jam .002" is a fools errand unless you first sort your bullets by the distance from where your seating die contacts the bullet to the point it contacts the lands (ogive). If you don't sort first, your .002" jam may end up being a .002" jump. +/- .005" is no mans land. -nosualc [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Getting a true aol.
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