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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Innovative Technologies Collet Die
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<blockquote data-quote="Bart B" data-source="post: 1803284" data-attributes="member: 5302"><p>Back in the 1960's, people were cutting off the FL die shoulder and bottom just above the belt clearance to make a belted case body die. After full length sizing the fired case setting its shoulder back .002" in a standard die, this body die was used to size the several thousandths of the case in front of the belt all the way to the belt.</p><p></p><p>This let the case headspace on its shoulder without that ridge in front of the belt interfering. Otherwise, that ridge would cause the barrel's vibrations to change the direction the muzzle pointed when the bullet left. Only a quarter to half MOA but enough to matter.</p></blockquote><p></p>
[QUOTE="Bart B, post: 1803284, member: 5302"] Back in the 1960's, people were cutting off the FL die shoulder and bottom just above the belt clearance to make a belted case body die. After full length sizing the fired case setting its shoulder back .002" in a standard die, this body die was used to size the several thousandths of the case in front of the belt all the way to the belt. This let the case headspace on its shoulder without that ridge in front of the belt interfering. Otherwise, that ridge would cause the barrel's vibrations to change the direction the muzzle pointed when the bullet left. Only a quarter to half MOA but enough to matter. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Innovative Technologies Collet Die
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