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Rifles, Reloading, Optics, Equipment
Reloading
Lee Collet Neck die w/Forster press
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<blockquote data-quote="kraky2" data-source="post: 198783" data-attributes="member: 3532"><p>I've played with a few collet dies in my day and do like them. They can be very temperatmental to the height of the shellholder and I'm not sure if that press can change the relationship. Screwing the die down further doesn't change where the crimp will hit the neck of the brass. I have several collet dies that have gotten "belled bottoms" on the sleeves and when this happens I have to put a washer on top of the shellholder to make the die crimp higher up on the neck.</p><p>Bottom line is this ....if I can paint the picture right with words. The sleeve moves up after being contacted by the shellholder. After a certain amount of travel the sleeve activates the collet. So, by putting a washer on top of the shellholder you make the sleeve move up faster while the brass is actually sitting in it's normal position in the shellholder. So...the collet activates while the brass is not all the way up into the die and.....voilla.....the neck is sized higher up. </p><p>I had an almost new .243 collet die that gave me trouble till I added a washer....and a pretty worn 300 wby that did the same thing because of the belled sleeve. I've actually read where people have permanently affixed a washer to a spare shellholder to leave the bottom of the neck unsized thinking it might help chamber/cartridge alignment. I've also heard of people using a die on a different (but close dimension) cartridge to size the case neck by adding a thick washer.</p><p>Bottom line...try a washer....maybe about .050-.090" thick on top of the shellholder and see if your problem goes away. Then you can either contact lee for a potential fix, keep using a washer (which isn't all to clumsy for say 20 cases) or try to modify a shellholder.</p></blockquote><p></p>
[QUOTE="kraky2, post: 198783, member: 3532"] I've played with a few collet dies in my day and do like them. They can be very temperatmental to the height of the shellholder and I'm not sure if that press can change the relationship. Screwing the die down further doesn't change where the crimp will hit the neck of the brass. I have several collet dies that have gotten "belled bottoms" on the sleeves and when this happens I have to put a washer on top of the shellholder to make the die crimp higher up on the neck. Bottom line is this ....if I can paint the picture right with words. The sleeve moves up after being contacted by the shellholder. After a certain amount of travel the sleeve activates the collet. So, by putting a washer on top of the shellholder you make the sleeve move up faster while the brass is actually sitting in it's normal position in the shellholder. So...the collet activates while the brass is not all the way up into the die and.....voilla.....the neck is sized higher up. I had an almost new .243 collet die that gave me trouble till I added a washer....and a pretty worn 300 wby that did the same thing because of the belled sleeve. I've actually read where people have permanently affixed a washer to a spare shellholder to leave the bottom of the neck unsized thinking it might help chamber/cartridge alignment. I've also heard of people using a die on a different (but close dimension) cartridge to size the case neck by adding a thick washer. Bottom line...try a washer....maybe about .050-.090" thick on top of the shellholder and see if your problem goes away. Then you can either contact lee for a potential fix, keep using a washer (which isn't all to clumsy for say 20 cases) or try to modify a shellholder. [/QUOTE]
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Reloading
Lee Collet Neck die w/Forster press
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