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Rifles, Reloading, Optics, Equipment
Reloading
Pressure signs with factory ammo
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<blockquote data-quote="Gcan" data-source="post: 1941129" data-attributes="member: 102867"><p>i had a CA rifle in 300RUM. The gun would split cases. Id get the bottom half of the case that looked like a 45 acp and have to dig out the remainder. Had Dave Tooley confirm my check, the headspace was .014" over the Saami max. </p><p></p><p>So CA screwing up a headspace is not unheard of. Chk the growth on your fired cases compared to the unfired. Mine were growing about .025". Gun would fire closing the bolt. Id look there first.</p><p></p><p>id Also chk the depth of throat. Bullets without jump can show pressure with near min loads. I see this in custom guns that were throated for a specific bullet. Often if throated for lighter bullets, longer heavier rounds hit the lands.</p><p>if it were a custom chamber Ive seem tight necks show pressure with factory (unturned)cases.</p></blockquote><p></p>
[QUOTE="Gcan, post: 1941129, member: 102867"] i had a CA rifle in 300RUM. The gun would split cases. Id get the bottom half of the case that looked like a 45 acp and have to dig out the remainder. Had Dave Tooley confirm my check, the headspace was .014” over the Saami max. So CA screwing up a headspace is not unheard of. Chk the growth on your fired cases compared to the unfired. Mine were growing about .025”. Gun would fire closing the bolt. Id look there first. id Also chk the depth of throat. Bullets without jump can show pressure with near min loads. I see this in custom guns that were throated for a specific bullet. Often if throated for lighter bullets, longer heavier rounds hit the lands. if it were a custom chamber Ive seem tight necks show pressure with factory (unturned)cases. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Pressure signs with factory ammo
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