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Rifles, Reloading, Optics, Equipment
Reloading
210 bergers blowing up?? help 30-378 wby
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<blockquote data-quote="Fiftydriver" data-source="post: 109714" data-attributes="member: 10"><p>Roygeterdone,</p><p></p><p>Retumbo is between H-1000 and H-50BMG in burn rate. Similiar to RL-25 but a bit slower yet in most cases with heavy bullets.</p><p></p><p>Even if you can not reach the lands, seating the bullet as far out as possible may help your situation. The reason is because the closer your seated to the lands, the lower the velocity of the bullet when it hits the lands. The lower the velocity the less stress there is on the bullet. </p><p></p><p>You may well not be able to reach the lands but seating the bullet out as far as possible may still help a great deal in getting the bullet to survive the launch.</p><p></p><p>Give her a try and see what happens. Remember to back off your powder charge and work up again.</p><p></p><p>I would agree with Jerrys comments as well. Not only are Wby throats long but they also tend to be loose as well. THis is not a Wby issue, this is a factory rifle issue. If you have a custom rifle with freebore, generally the throat diameter is no more then 0.0005" over bullet diameter. In a factory rifle the throat diameter can vary from 0.001" to 0.0015" over bullet diameter. Does not seem alike alot but in a throat, this is very loose.</p><p></p><p>Kirby Allen(50)</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 109714, member: 10"] Roygeterdone, Retumbo is between H-1000 and H-50BMG in burn rate. Similiar to RL-25 but a bit slower yet in most cases with heavy bullets. Even if you can not reach the lands, seating the bullet as far out as possible may help your situation. The reason is because the closer your seated to the lands, the lower the velocity of the bullet when it hits the lands. The lower the velocity the less stress there is on the bullet. You may well not be able to reach the lands but seating the bullet out as far as possible may still help a great deal in getting the bullet to survive the launch. Give her a try and see what happens. Remember to back off your powder charge and work up again. I would agree with Jerrys comments as well. Not only are Wby throats long but they also tend to be loose as well. THis is not a Wby issue, this is a factory rifle issue. If you have a custom rifle with freebore, generally the throat diameter is no more then 0.0005" over bullet diameter. In a factory rifle the throat diameter can vary from 0.001" to 0.0015" over bullet diameter. Does not seem alike alot but in a throat, this is very loose. Kirby Allen(50) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
210 bergers blowing up?? help 30-378 wby
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