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Rifles, Reloading, Optics, Equipment
Reloading
7mm STW Dented cases & cracked above the belt?
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<blockquote data-quote="MagnumManiac" data-source="post: 2310130" data-attributes="member: 10755"><p>The above statement is also false.</p><p>The belt doesn't need any sizing and it is NOT supposed to go inside the die.</p><p>The belt is adjacent to the solid part of the case head, the case walls do not start until .020"-.040" above the belt, the expansion line is plainly visible on all but Norma brass.</p><p>The expansion line is where the sizing takes place, not the belt.</p><p>The brass only 'flows' because the shoulder is pushed back too far by most reloaders, because they do not understand how to size the brass correctly.</p><p>This BS has been bandied about for so long that it has become factual….</p><p>There is only ONE cause of case head separation, which is EXCESSIVE HEADSPACE. The HEADSPACE of the belt can NEVER change physically, it is held to .220+.003", that is the difference between a GO GUAGE and a NO-GO GAUGE. .003"!</p><p></p><p>So, if you continue to size a belted case excessively, just like ANY case, it will eventually split where the case isn't held by the chamber during firing as it stretches REARWARD.</p><p>Larry Willis' description of what happens is false, it always has been. Just more BS copied from some gun rag writer that knows nothing about belted cartridges.</p><p></p><p>That's the last word I will say in the matter.</p><p></p><p>Cheers.</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 2310130, member: 10755"] The above statement is also false. The belt doesn’t need any sizing and it is NOT supposed to go inside the die. The belt is adjacent to the solid part of the case head, the case walls do not start until .020”-.040” above the belt, the expansion line is plainly visible on all but Norma brass. The expansion line is where the sizing takes place, not the belt. The brass only ‘flows’ because the shoulder is pushed back too far by most reloaders, because they do not understand how to size the brass correctly. This BS has been bandied about for so long that it has become factual…. There is only ONE cause of case head separation, which is EXCESSIVE HEADSPACE. The HEADSPACE of the belt can NEVER change physically, it is held to .220+.003”, that is the difference between a GO GUAGE and a NO-GO GAUGE. .003”! So, if you continue to size a belted case excessively, just like ANY case, it will eventually split where the case isn’t held by the chamber during firing as it stretches REARWARD. Larry Willis’ description of what happens is false, it always has been. Just more BS copied from some gun rag writer that knows nothing about belted cartridges. That’s the last word I will say in the matter. Cheers. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
7mm STW Dented cases & cracked above the belt?
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