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Rifles, Reloading, Optics, Equipment
Reloading
7mm brass too short?
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<blockquote data-quote="MagnumManiac" data-source="post: 2072155" data-attributes="member: 10755"><p>I bet the cases need more sizing and DO NOT trim the brass that is short, it will grow on the next sizing and then measure them again.</p><p>Some rifles cause a bulge above the belt that is difficult to size, I have never had it, but have seen it.</p><p>If the shoulder isn't bumped back after the body is sized, the head to shoulder length grows longer, this is probably the issue.</p><p>Size a case, chamber it, if still tight, adjust the die IN 1/12 turn in the press, try a NEW case and repeat. As soon as a case chambers with a slight feel on closing the bolt, turn the die IN an additional 1/24 turn, this should be close to .002" bump.</p><p>You need a new case each time, otherwise the spring back will change the outcome as the case is work hardened</p><p>Hope this helps.</p><p></p><p>Cheers.</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 2072155, member: 10755"] I bet the cases need more sizing and DO NOT trim the brass that is short, it will grow on the next sizing and then measure them again. Some rifles cause a bulge above the belt that is difficult to size, I have never had it, but have seen it. If the shoulder isn’t bumped back after the body is sized, the head to shoulder length grows longer, this is probably the issue. Size a case, chamber it, if still tight, adjust the die IN 1/12 turn in the press, try a NEW case and repeat. As soon as a case chambers with a slight feel on closing the bolt, turn the die IN an additional 1/24 turn, this should be close to .002” bump. You need a new case each time, otherwise the spring back will change the outcome as the case is work hardened Hope this helps. Cheers. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
7mm brass too short?
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