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Rifles, Reloading, Optics, Equipment
Reloading
Shoulder bumping-HELP
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<blockquote data-quote="Stavi300RUM" data-source="post: 1157028" data-attributes="member: 70356"><p>I shoot a 300 ultra mag that I'm starting to have troubles with. I had a smith do some stuff to it and develop a good load for it. I've followed his load recipe for THIS rifle with exactness. Lately it's been giving me troubles with extraction. I never looked at shoulder bumping and wonder if this is the issue. I got a Hornady headspace/"should bump gauge" and have been measuring cases. They are all over the place. I use Redding dies, so I figured they'd be spot on.</p><p>Question now...how does a guy measure them accurately when there is that little ring around the primer sticking up? I understand that between .001-.002 is the happy spot from what I've read and so I want to deprime the case without sizing it so it can be measured correctly.</p><p>Any advice would be great. If someone is in the Idaho Falls area, I'd be more than happy to come over and be shown a thing or two.</p></blockquote><p></p>
[QUOTE="Stavi300RUM, post: 1157028, member: 70356"] I shoot a 300 ultra mag that I'm starting to have troubles with. I had a smith do some stuff to it and develop a good load for it. I've followed his load recipe for THIS rifle with exactness. Lately it's been giving me troubles with extraction. I never looked at shoulder bumping and wonder if this is the issue. I got a Hornady headspace/"should bump gauge" and have been measuring cases. They are all over the place. I use Redding dies, so I figured they'd be spot on. Question now...how does a guy measure them accurately when there is that little ring around the primer sticking up? I understand that between .001-.002 is the happy spot from what I've read and so I want to deprime the case without sizing it so it can be measured correctly. Any advice would be great. If someone is in the Idaho Falls area, I'd be more than happy to come over and be shown a thing or two. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Shoulder bumping-HELP
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