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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Need help troubleshooting 300 RUM pressure issue.
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<blockquote data-quote="trophyhunter1000" data-source="post: 907030" data-attributes="member: 62673"><p>What type of primer are you using? I had a problem that was just like yours in my 7mm ultra. My friend said the primer I was using was a little to cold for the load (can't remember load data) but I bumped up to a hotter primer and backed down the load and danged if it didn't cure it. My guess was that due to the primer not being hot enough with the first loads the excess powder was leaving alot of residue on the lands and in the throat thus jumping the pressure up. With every shot i took the higher the pressure would go plus th MV would steadily go up about 10 to 20 fps every round. Hope this helps.</p></blockquote><p></p>
[QUOTE="trophyhunter1000, post: 907030, member: 62673"] What type of primer are you using? I had a problem that was just like yours in my 7mm ultra. My friend said the primer I was using was a little to cold for the load (can't remember load data) but I bumped up to a hotter primer and backed down the load and danged if it didn't cure it. My guess was that due to the primer not being hot enough with the first loads the excess powder was leaving alot of residue on the lands and in the throat thus jumping the pressure up. With every shot i took the higher the pressure would go plus th MV would steadily go up about 10 to 20 fps every round. Hope this helps. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Need help troubleshooting 300 RUM pressure issue.
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