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Rifles, Reloading, Optics, Equipment
Reloading
Cooper rifle won't chamber twice fired brass
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<blockquote data-quote="BountyHunter" data-source="post: 1865841" data-attributes="member: 12"><p>polishing the chamber will only make it worse. Comp shellholders may not fix it either. It has zero to do with the press, camover or the load is too hot etc. It is really simple, the bottom of the die is just too large for your chamber and cannot size the brass enough at that point. That is not uncommon. However a small base die will fix it.</p><p></p><p>Not all dies are same dimensions and not all dies fit every chamber. Yours is a case in point. A lot of people really have a hard time grasping that fact and understanding what that causes and how to fix it. Changing dies might work, but a small base will work.</p></blockquote><p></p>
[QUOTE="BountyHunter, post: 1865841, member: 12"] polishing the chamber will only make it worse. Comp shellholders may not fix it either. It has zero to do with the press, camover or the load is too hot etc. It is really simple, the bottom of the die is just too large for your chamber and cannot size the brass enough at that point. That is not uncommon. However a small base die will fix it. Not all dies are same dimensions and not all dies fit every chamber. Yours is a case in point. A lot of people really have a hard time grasping that fact and understanding what that causes and how to fix it. Changing dies might work, but a small base will work. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Cooper rifle won't chamber twice fired brass
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