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Neck sizing with FL dies

 
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  #1  
Old 08-12-2008, 12:47 PM
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Neck sizing with FL dies

Can this be done? It seems like I heard somewhere that you could do this or did I jsut dream that up.
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Old 08-12-2008, 01:21 PM
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Re: Neck sizing with FL dies

You can "partial-resize" by raising the resizing die up off the shell holder a bit. This will usually resize the neck (or most of it) and only lightly touch the body, depending on the cartridge and how high the die is set.
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Old 08-12-2008, 01:42 PM
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Re: Neck sizing with FL dies

cartridge is a 270 wsm
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Old 08-13-2008, 10:56 PM
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Re: Neck sizing with FL dies

By partial-sizing a case with a full-length die, you can just work the neck. to effectively use the partial-sizing to it's full extent, you'll need to measure your head space on a fired cartrigde. With this reading you should also push the shoulder back 0.002" from the fired dimension. This way you'll be working the brass less, allow springback, and slightly increase accuracy from the cartridge. This is only to be used in a bolt action that will only be firing that cartridge as well.
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Old 08-17-2008, 02:26 AM
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Re: Neck sizing with FL dies

No, not really. Contrary to what many believe you cannot truly neck size with an FL die. As soon as the die touches the case body you have altered the case and it is no longer "neck" sized. Buy a Lee Collet Die.
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Old 08-17-2008, 08:19 AM
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Re: Neck sizing with FL dies

I have successfully partially neck sized using the full length sizing die setting the die to size only the first 1/4" of the neck. Yes you do ever so slightly touch the very upper side walls of the case doing this.

As far as bumping the shoulder back .001/.002 this IS FULL length resizing and where all of my dies are set.

Remember this though, if you are shooting a repeater rifle for hunting and use the magazine I strongly suggest that you try each and every cartridge PRIOR to going afield for proper functioning thru the magazine. (outsided please!)

The problem with this process also is that once you get them set where you like and achieve your accuracy loads you may find them hard to chamber where then you have to full length resize them to ease chambering issues hence lost of die setting.

If you want to really go with neck sizing get yourself a setting of bushing dies for neck sizing. Then you only have the infamous doughnut to deal with not a big issue though.
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Old 12-09-2008, 02:13 PM
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Re: Neck sizing with FL dies

Quote:
Originally Posted by steve4102 View Post
No, not really. Contrary to what many believe you cannot truly neck size with an FL die. As soon as the die touches the case body you have altered the case and it is no longer "neck" sized. Buy a Lee Collet Die.

Sorry for "refresh" this post, but i have the same problem (... with the same caliber).
For my 7mm.RM and for the .22-250R i have no problem to find the LEE COLLET DIE, .... but i don't find it for the .270WSM.

For the FL resizing i have the RCBS Competition Dies set (7mm.RM and .22-250R), and for the .270WSM i use the FL Hornady Custom Grade New Dimension II set.

I really love the Rcbs Comp. Die (with the side window) seater, but i'm not really sure that the Hornady Custom Grade New-Dimension seater would be a good choice, and what i have to do to make the neck-sizing with this "fat" .270 ?
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Last edited by wheelgunner; 12-09-2008 at 02:21 PM.
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