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Rifles, Reloading, Optics, Equipment
Reloading
6mm remington brass help
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<blockquote data-quote="wildcat westerner" data-source="post: 1576064" data-attributes="member: 21361"><p>Hope this helps and it does not cause you excessive concern over this problem. The best die to get to resize cases once formed in another chamber is a SB or small based die meant to be used in automatic rifles.These squeeze the case down when FL sizing to absolute minimum chamber specs and then all these cases should fit your present chamber. Once fireforned, then use your regular dies so the cases fit your chamber correctly.</p><p>Look closely at this ring. Do you have any of the cases where the "ring" is brighter? It may be ,as some have stated this may be in indicator here ofa case being resized in a die. That's is the good possibility. The bad one would be they may be fired in a large chambered weapon and maybe an automatic, which is why they were sold in the first place. If that is indeed the situation here, you may be looking at the first stages of a problem known as incipient case failure where the case separates in two pieces when firing or when you go to extract the cartridge and only the back third comes out of the chamber. That has happened to me. The brighter the ring the thinner the case is at that juncture. If its been fireda few times this way, you can takea wire with a small angle to fit inside the neck and havea sharp point. Insert it into the case and feel down the sides of the case. When you reach the point of the bright ring the point may run into resistance because the case is thinning at that juncture. if indeed that is the case, then you know why these cases were sold. The former owner encountered the problem with his weapon due to bad headspacing and when a case separated is when he placed all this brass up for sale. I wish you well in solving this problem and hope its only a case of the brass marks caused by a sizing die. The 6mm-.244 is the favorite cartridge I have in the 6mm caliber.</p></blockquote><p></p>
[QUOTE="wildcat westerner, post: 1576064, member: 21361"] Hope this helps and it does not cause you excessive concern over this problem. The best die to get to resize cases once formed in another chamber is a SB or small based die meant to be used in automatic rifles.These squeeze the case down when FL sizing to absolute minimum chamber specs and then all these cases should fit your present chamber. Once fireforned, then use your regular dies so the cases fit your chamber correctly. Look closely at this ring. Do you have any of the cases where the "ring" is brighter? It may be ,as some have stated this may be in indicator here ofa case being resized in a die. That's is the good possibility. The bad one would be they may be fired in a large chambered weapon and maybe an automatic, which is why they were sold in the first place. If that is indeed the situation here, you may be looking at the first stages of a problem known as incipient case failure where the case separates in two pieces when firing or when you go to extract the cartridge and only the back third comes out of the chamber. That has happened to me. The brighter the ring the thinner the case is at that juncture. If its been fireda few times this way, you can takea wire with a small angle to fit inside the neck and havea sharp point. Insert it into the case and feel down the sides of the case. When you reach the point of the bright ring the point may run into resistance because the case is thinning at that juncture. if indeed that is the case, then you know why these cases were sold. The former owner encountered the problem with his weapon due to bad headspacing and when a case separated is when he placed all this brass up for sale. I wish you well in solving this problem and hope its only a case of the brass marks caused by a sizing die. The 6mm-.244 is the favorite cartridge I have in the 6mm caliber. [/QUOTE]
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6mm remington brass help
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