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Rifles, Reloading, Optics, Equipment
Reloading
Help me figure out why I'm blowing primers
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<blockquote data-quote="Tiny Tim" data-source="post: 1790111" data-attributes="member: 87887"><p>I am of the understanding that Weatherby rifles have a large free bore to allow a large bullet jump to keep pressure down. While loading the bullet further out on standard cartridges has a tendency to reduce pressure by increasing volume, it only does this to a point. Then pressure will begin to increase. It is possible that given the Weatherby design, that you are getting that same effect without actually being too near the lands. The need for this close seating is generally only needed with a particular type of bullet, and that only for accuracy. Other bullet types are far less sensitive to seating depth and can give exceptional accuracy with relatively large jumps to the lands</p><p> And as others have stated, you appear over the max listed charge for the cartridge.</p></blockquote><p></p>
[QUOTE="Tiny Tim, post: 1790111, member: 87887"] I am of the understanding that Weatherby rifles have a large free bore to allow a large bullet jump to keep pressure down. While loading the bullet further out on standard cartridges has a tendency to reduce pressure by increasing volume, it only does this to a point. Then pressure will begin to increase. It is possible that given the Weatherby design, that you are getting that same effect without actually being too near the lands. The need for this close seating is generally only needed with a particular type of bullet, and that only for accuracy. Other bullet types are far less sensitive to seating depth and can give exceptional accuracy with relatively large jumps to the lands And as others have stated, you appear over the max listed charge for the cartridge. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Help me figure out why I'm blowing primers
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