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Joined: Oct 2018
Posts: 845
Campfire Regular
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Campfire Regular
Joined: Oct 2018
Posts: 845 |
Conventional neck size dies do not support the body and can induce runout. I had a 308 neck die that put .006-.007 runout on straight cases. Now I use only Lee Collet neck sizers. Also partial full length sizing accomplishes minimal case working and you can always FL size when needed. I agree. My runout numbers went down rather drastically after using Lee Collet neck sizing dies. I'm a big believer in them. As you say, when the need arises, now I just use a body die to bump shoulders a touch. My brass most definitely lasts longer than FL sizing every time. My experience is exactly what you guys said
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Joined: Nov 2007
Posts: 29,641
Campfire Ranger
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Campfire Ranger
Joined: Nov 2007
Posts: 29,641 |
FWIW I only ever neck size. I like Lee's Collet die for the purpose. I have had batches of brass go literally dozens of loading cycles without FL sizing, in a range of calibres and actions.
A case comes out of the chamber small enough to go right back in again, unless for some reason it is bulged or out of round perhaps. Other than those situations, if it won't go back in after sizing it is because of something you did to it in sizing.
I am with Dan on all points above. I hear guys talk about the need to bump shoulders but on the 5-6 rifles I’ve had for an extended period of time I’ve not had that experience myself.
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Joined: Jan 2003
Posts: 10,952
Campfire Outfitter
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Campfire Outfitter
Joined: Jan 2003
Posts: 10,952 |
When a country is well governed, poverty and a mean condition are something to be ashamed of. When a country is ill governed, riches and honors are something to be ashamed of
. Confucius
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Joined: Oct 2005
Posts: 1,589
Campfire Regular
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Campfire Regular
Joined: Oct 2005
Posts: 1,589 |
I never just neck size.
I always FL resize, and bump the shoulder a thou, and typically use neck bushing dies. Sometimes I use a traditional FL resize die, but not often.
I personally see no benefit of neck sizing only, but power to those who do it that way.
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