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Hunting
Long Range Hunting & Shooting
7mm RUM & 140 Gr Core-Lokt
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<blockquote data-quote="angus-5024" data-source="post: 306050" data-attributes="member: 10306"><p>what barrel contour are you using? Are you sure that everything is totally stress free? If two are going into one whole and a third way out there I would think that it could be something to do with heating, rather stress in your barrel or action, or your letting your barrel get too hot. I have a .338 RUM XCR and if I let it cool for between 7-12 min I can shoot a ragged hole at 100 yards (with hand loads), but if I let her got even slightly hot the groups open up fast.</p><p>Have you bedded the action? </p><p>Im sure that some more knowledgable guys will pipe up, but if that happened to me thats where I would be looking.</p></blockquote><p></p>
[QUOTE="angus-5024, post: 306050, member: 10306"] what barrel contour are you using? Are you sure that everything is totally stress free? If two are going into one whole and a third way out there I would think that it could be something to do with heating, rather stress in your barrel or action, or your letting your barrel get too hot. I have a .338 RUM XCR and if I let it cool for between 7-12 min I can shoot a ragged hole at 100 yards (with hand loads), but if I let her got even slightly hot the groups open up fast. Have you bedded the action? Im sure that some more knowledgable guys will pipe up, but if that happened to me thats where I would be looking. [/QUOTE]
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7mm RUM & 140 Gr Core-Lokt
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