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Rifles, Reloading, Optics, Equipment
Reloading
Dumb question about seating depth
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<blockquote data-quote="RT2506" data-source="post: 1451177" data-attributes="member: 10178"><p>What LaHunter is trying to say is the bullet tips are not all the same. Even the plastic tips do very in length. If you measure from base of case to tip of the bullet and you make every bullet measure the same you will have a difference in how far away from the lands your bullet ogive is thus you will have inconsistent jump to the lands. If you use a comparator and measure your rounds from the base of the case to the ogive on the bullet then you are getting a constant uniform jump of the ogive on the bullet to the lands. As for the cannular on the bullet and why it is there many people when shooting semi auto rifles like in AR10s in 6.5 Creedmoor do seat their bullets deep to work through the magazine and crimp the case mouth into the cannular to keep the bullet from maybe being pushed back into the case some with the violent slam bang operation of the action.</p></blockquote><p></p>
[QUOTE="RT2506, post: 1451177, member: 10178"] What LaHunter is trying to say is the bullet tips are not all the same. Even the plastic tips do very in length. If you measure from base of case to tip of the bullet and you make every bullet measure the same you will have a difference in how far away from the lands your bullet ogive is thus you will have inconsistent jump to the lands. If you use a comparator and measure your rounds from the base of the case to the ogive on the bullet then you are getting a constant uniform jump of the ogive on the bullet to the lands. As for the cannular on the bullet and why it is there many people when shooting semi auto rifles like in AR10s in 6.5 Creedmoor do seat their bullets deep to work through the magazine and crimp the case mouth into the cannular to keep the bullet from maybe being pushed back into the case some with the violent slam bang operation of the action. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Dumb question about seating depth
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