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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
E. A. Brown Accuracy Barrel
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<blockquote data-quote="bigngreen" data-source="post: 1611823" data-attributes="member: 13632"><p>So your telling me that 55,000 psi+ didn't push the brass to the chamber wall, think that through, it may take a couple firings to push the corner of the shoulder sharp and expand the thicker base but the body absalutely expands to the case wall and hard other wise you wouldn't see any marks on that fired case!!! When brass is fired in a fat chamber it goes beyond where the spring back is even close to where your chamber starts, you have to over size in the opposite direction so the spring back after sizing stays smaller than your chamber which your not able to do with a normal die. That Gunwerks chamber is over sized.</p><p>Dull reamers cut over size chambers because your forcing the reamer and it will push in the back trying to go an easier direction.</p><p>Your brass locked up because your chamber is normal and your brass was so fat it was acting as a sizing die with no lube, a rough chamber will not lock up a correct sized case till AFTER it's fired and the case is fitted to the ringing.</p></blockquote><p></p>
[QUOTE="bigngreen, post: 1611823, member: 13632"] So your telling me that 55,000 psi+ didn't push the brass to the chamber wall, think that through, it may take a couple firings to push the corner of the shoulder sharp and expand the thicker base but the body absalutely expands to the case wall and hard other wise you wouldn't see any marks on that fired case!!! When brass is fired in a fat chamber it goes beyond where the spring back is even close to where your chamber starts, you have to over size in the opposite direction so the spring back after sizing stays smaller than your chamber which your not able to do with a normal die. That Gunwerks chamber is over sized. Dull reamers cut over size chambers because your forcing the reamer and it will push in the back trying to go an easier direction. Your brass locked up because your chamber is normal and your brass was so fat it was acting as a sizing die with no lube, a rough chamber will not lock up a correct sized case till AFTER it's fired and the case is fitted to the ringing. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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E. A. Brown Accuracy Barrel
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