Originally Posted by aheider
Woods,

What are the "do-nuts" you talk about. Maybe I am the only one who is missing something.



A do-nut happens when brass flows along the shoulder and makes an internal ridge at the neck/shoulder junction
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The most common way to check is to take a bullet and insert it down a fired and unsized case neck and it will stop at that point
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I check for them with a set of pin gauges
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One of the prerequisites for do-nuts is to have a tight necked chamber. Mine is .313". Do you know what neck dimension you are having chambered?

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