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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
What factors cause too high pressure ?
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<blockquote data-quote="Philward" data-source="post: 2837532" data-attributes="member: 92604"><p>I loaded some 280 rem last week to try a load I shot the week before and it seemed pretty accurate, so I loaded up a few more to check it. First shot I couldn't lift the bolt, had to pull pretty hard and it came open. Ejector mark on case, Ejector jammed with brass. Same load shot fine without any hint of pressure the week before. Got ejector freed up and made sure everything was working correctly. Fired another one and it was fine as were all the rest of them. No flattened primers and no stiff bolt lift. </p><p></p><p>Maybe that bullet was a little larger diameter than the rest?</p><p></p><p>143 Hammer Hunters, IMR 4955 powder. Remington 700 Mtn rifle.</p></blockquote><p></p>
[QUOTE="Philward, post: 2837532, member: 92604"] I loaded some 280 rem last week to try a load I shot the week before and it seemed pretty accurate, so I loaded up a few more to check it. First shot I couldn't lift the bolt, had to pull pretty hard and it came open. Ejector mark on case, Ejector jammed with brass. Same load shot fine without any hint of pressure the week before. Got ejector freed up and made sure everything was working correctly. Fired another one and it was fine as were all the rest of them. No flattened primers and no stiff bolt lift. Maybe that bullet was a little larger diameter than the rest? 143 Hammer Hunters, IMR 4955 powder. Remington 700 Mtn rifle. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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What factors cause too high pressure ?
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