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Rifles, Reloading, Optics, Equipment
Reloading
6.5 prc FL sizing help
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<blockquote data-quote="Timnterra" data-source="post: 2571812" data-attributes="member: 55944"><p>Unfortunately this is a well documented problem with both of the PRC cases. The problem only exists with ADG and Lapua brass because they are harder than Hornady. Alex wheeler diagnosed the problem in Hornady's SAAMI chamber design. The issue is that Hornady designed the chamber and the case size the be too close in dimeter at the base. They did it to increase inherent accuracy and it works with their brass because it is soft enough to be resized. However the harder brass used by ADG and Lapua cannot be resized enough to fit after it has been fired a handful of times. Wheeler designed a fix by opening the chamber base this gives enough room for the factory dies to push the base back down and still chamber without problem. He made the reamer print available on line and it is called the 6.5 PRC AW2. JGS has the print on file and you can order a reamer from them. It is easy enough to use the AW2 reamer to open up your chamber by hand if you get a reamer handle. I'm really surprised the gunsmith didn't mention this issue when they built your rifle and ask you which chamber you wanted.</p></blockquote><p></p>
[QUOTE="Timnterra, post: 2571812, member: 55944"] Unfortunately this is a well documented problem with both of the PRC cases. The problem only exists with ADG and Lapua brass because they are harder than Hornady. Alex wheeler diagnosed the problem in Hornady’s SAAMI chamber design. The issue is that Hornady designed the chamber and the case size the be too close in dimeter at the base. They did it to increase inherent accuracy and it works with their brass because it is soft enough to be resized. However the harder brass used by ADG and Lapua cannot be resized enough to fit after it has been fired a handful of times. Wheeler designed a fix by opening the chamber base this gives enough room for the factory dies to push the base back down and still chamber without problem. He made the reamer print available on line and it is called the 6.5 PRC AW2. JGS has the print on file and you can order a reamer from them. It is easy enough to use the AW2 reamer to open up your chamber by hand if you get a reamer handle. I’m really surprised the gunsmith didn’t mention this issue when they built your rifle and ask you which chamber you wanted. [/QUOTE]
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6.5 prc FL sizing help
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