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Rifles, Reloading, Optics, Equipment
Gunsmithing
Minimum Headspace
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<blockquote data-quote="MagnumManiac" data-source="post: 2807869" data-attributes="member: 10755"><p>This is so untrue it's not funny.</p><p>A belted case CANNOT stretch near the web upon the first firing…the belt makes that impossible. What does cause the stretch is by the handloader sizing the shoulder too much. If you induce .004-.006" shoulder headspace with the die, the case will separate within 3-4 firings.</p><p>A belted case has to be headspaced at .220" on the belt…not .221, .222" or .223", this tolerance has to be precise, then after the first firing, and proceeding firings with neck sizing, then the case gets bumped .0015" to keep headspace precise.</p><p>I actually headspace my belted cases at .219" quite often, as brass is undersized to the belt.</p><p></p><p>Cheers.</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 2807869, member: 10755"] This is so untrue it’s not funny. A belted case CANNOT stretch near the web upon the first firing…the belt makes that impossible. What does cause the stretch is by the handloader sizing the shoulder too much. If you induce .004-.006” shoulder headspace with the die, the case will separate within 3-4 firings. A belted case has to be headspaced at .220” on the belt…not .221, .222” or .223”, this tolerance has to be precise, then after the first firing, and proceeding firings with neck sizing, then the case gets bumped .0015” to keep headspace precise. I actually headspace my belted cases at .219” quite often, as brass is undersized to the belt. Cheers. [/QUOTE]
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Minimum Headspace
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