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The Range
Ammo & Reloading
What did you do in the reloading room today?
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<blockquote data-quote="swampratt" data-source="post: 4052449" data-attributes="member: 15054"><p>Funny thing though my ammo made for the .223 savage axis i seat the 55 v-max to 2.275" and can go more.</p><p>But a 5.56 AR i have will not allow that long seated bullet to chamber all the way.</p><p></p><p>So that got me to thinking about headspace and lands position.</p><p>Headspace defined.</p><p><strong>The actual headspace of any firearm is the distance from the breech face to the point in the chamber that is intended to prevent forward motion of a cartridge.</strong></p><p><strong></strong></p><p><strong>That would be to mean the shoulder Ogive </strong></p><p><strong></strong></p><p><strong>Now distance to the lands is something completely different.</strong></p></blockquote><p></p>
[QUOTE="swampratt, post: 4052449, member: 15054"] Funny thing though my ammo made for the .223 savage axis i seat the 55 v-max to 2.275" and can go more. But a 5.56 AR i have will not allow that long seated bullet to chamber all the way. So that got me to thinking about headspace and lands position. Headspace defined. [B]The actual headspace of any firearm is the distance from the breech face to the point in the chamber that is intended to prevent forward motion of a cartridge. That would be to mean the shoulder Ogive Now distance to the lands is something completely different.[/B] [/QUOTE]
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