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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
The PRC die "problem"
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<blockquote data-quote="Wild_Bill" data-source="post: 2027310" data-attributes="member: 4785"><p>The other think that a lot of people overlook is how to adjust a FLS die. Most manufacturers say wind down to the shell holder and go for it.</p><p></p><p>This is in 99% of cases the worst thing to do.just by changing from a say one shot spray lube to imperial sizing wax headspace can be changed </p><p></p><p>If a die isn't slowly wound down towards the shell holder and then cases sized and measured to the desired shoulder bump problems can occur.</p><p>I have seen dies wound down to the shell holder and the cases would not chamber. When the cases were measured they were .012" shorter than fired cases so the shooter went to a small based die and the same issue arose.</p><p>We obtained once fired brass and his standard FLS die and adjusted it to .002" shoulder bump and the die worked.</p><p></p><p>If the brass is over sized as mentioned it can fracture at the base and that can not be un done.</p><p></p><p>Always set up dies correctly with regard to shoulder bump the case should grow slightly before it is bumped back. </p><p></p><p>If the die is set correctly to the desired shoulder bump and the case won't chamber then look at a tighter die, smaller brass or a larger chamber base.</p></blockquote><p></p>
[QUOTE="Wild_Bill, post: 2027310, member: 4785"] The other think that a lot of people overlook is how to adjust a FLS die. Most manufacturers say wind down to the shell holder and go for it. This is in 99% of cases the worst thing to do.just by changing from a say one shot spray lube to imperial sizing wax headspace can be changed If a die isn't slowly wound down towards the shell holder and then cases sized and measured to the desired shoulder bump problems can occur. I have seen dies wound down to the shell holder and the cases would not chamber. When the cases were measured they were .012" shorter than fired cases so the shooter went to a small based die and the same issue arose. We obtained once fired brass and his standard FLS die and adjusted it to .002" shoulder bump and the die worked. If the brass is over sized as mentioned it can fracture at the base and that can not be un done. Always set up dies correctly with regard to shoulder bump the case should grow slightly before it is bumped back. If the die is set correctly to the desired shoulder bump and the case won't chamber then look at a tighter die, smaller brass or a larger chamber base. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
The PRC die "problem"
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