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Rifles, Reloading, Optics, Equipment
Reloading
Cooper rifle won't chamber twice fired brass
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<blockquote data-quote="358 Guy" data-source="post: 1866162" data-attributes="member: 60067"><p>I had a similar problem with a minimum spec. 284 Win. barrel. I did some experimenting using a feeler gauge inserted between the base of the cartridge and the shell holder to push the cartridge a bit further into the die. I started with a .002 gauge and increased in .002 increments until the cartridge would chamber. ( this occurred at .006 ) I had marked the shoulder area of the case prior to doing this with a Magic Marker to verify that I was hitting the shoulder. I then chucked the shell holder in my lath and cut .008 off of the top of the shell holder. That solved the problem for me. Another option is to send the sizing die back to the manufacture along with one of the fired cartridges that would not chamber and see what they have to say. Redding has modified dies for me in the past. Good luck!</p></blockquote><p></p>
[QUOTE="358 Guy, post: 1866162, member: 60067"] I had a similar problem with a minimum spec. 284 Win. barrel. I did some experimenting using a feeler gauge inserted between the base of the cartridge and the shell holder to push the cartridge a bit further into the die. I started with a .002 gauge and increased in .002 increments until the cartridge would chamber. ( this occurred at .006 ) I had marked the shoulder area of the case prior to doing this with a Magic Marker to verify that I was hitting the shoulder. I then chucked the shell holder in my lath and cut .008 off of the top of the shell holder. That solved the problem for me. Another option is to send the sizing die back to the manufacture along with one of the fired cartridges that would not chamber and see what they have to say. Redding has modified dies for me in the past. Good luck! [/QUOTE]
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Cooper rifle won't chamber twice fired brass
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