Thread: Collet die
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Old December 18, 2012, 11:10 PM   #4
Bart B.
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Join Date: February 15, 2009
Posts: 8,927
Some foriegn milatary rifles' bolt faces are way, way out of square. They were never intended to use reloaded ammo.

So, after a round's been fired in one, its case head is way out of square. After sizing thay round any way and it's indexed 180 degrees out from where it was when first fired the high points of the bolt face and case head are against each other. That causes the bolt to bind when closing.

Check your case heads on those that bind and see if there's a bright streak around the case head. If there is, your bolt face may be the culprit.
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