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Rifles, Reloading, Optics, Equipment
Reloading
Berger COAL and jam/jump
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<blockquote data-quote="Gene" data-source="post: 1221032" data-attributes="member: 7402"><p>That's a good article - read it twice. Note "Other groups of shooters were discouraged by our recommendation to touch the rifling. Some of these shooters knew that at some point during a target competition they will be asked to remove a live round. With the bullet jammed in the rifling there was a good chance the bullet will stick in the barrel which could result in an action full of powder. This is hard on a shooter during a match. "</p><p></p><p>The Hornady guage or comparator just gets you close. You should be measuring from ogive to base of loaded round. </p><p></p><p>The only way to know you are kissing the lands is to see very faint land marks on the bullet, then back out .005" at a time until those marks disappear. Write that length down. You can jam or jump em from there.</p></blockquote><p></p>
[QUOTE="Gene, post: 1221032, member: 7402"] That's a good article - read it twice. Note "Other groups of shooters were discouraged by our recommendation to touch the rifling. Some of these shooters knew that at some point during a target competition they will be asked to remove a live round. With the bullet jammed in the rifling there was a good chance the bullet will stick in the barrel which could result in an action full of powder. This is hard on a shooter during a match. " The Hornady guage or comparator just gets you close. You should be measuring from ogive to base of loaded round. The only way to know you are kissing the lands is to see very faint land marks on the bullet, then back out .005" at a time until those marks disappear. Write that length down. You can jam or jump em from there. [/QUOTE]
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Reloading
Berger COAL and jam/jump
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