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Rifles, Reloading, Optics, Equipment
Reloading
Pressure high or low.
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<blockquote data-quote="Barrelnut" data-source="post: 1230021" data-attributes="member: 74902"><p>Pressure goes up the closer you get to the lands for the most part. Jamming the bullet into the lands with no jump or free flight movement of the bullet can raise the pressure substantially. BUT ALSO, pressure can start to rise as you seat the bullet deeper into the cartridge case as the bullet displaces space in the cartridge. So, you really need to pay attention to pressure both ways, especially when you start getting to the extremes in either direction.</p><p></p><p>The above is a reason for the idea of finding your bullets preferred seating depth with a series of medium loads and then using that preferred seating depth to work up your powder load</p></blockquote><p></p>
[QUOTE="Barrelnut, post: 1230021, member: 74902"] Pressure goes up the closer you get to the lands for the most part. Jamming the bullet into the lands with no jump or free flight movement of the bullet can raise the pressure substantially. BUT ALSO, pressure can start to rise as you seat the bullet deeper into the cartridge case as the bullet displaces space in the cartridge. So, you really need to pay attention to pressure both ways, especially when you start getting to the extremes in either direction. The above is a reason for the idea of finding your bullets preferred seating depth with a series of medium loads and then using that preferred seating depth to work up your powder load [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Pressure high or low.
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