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Sizing straight walled cartridges?

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24 October 2003, 16:40
ddunn
Sizing straight walled cartridges?
Do you really need to resize straight walled cartridges?
24 October 2003, 16:48
jclayton
Yes, size them or the bullet will be loose when the case is reloaded.
24 October 2003, 16:59
ddunn
If I use a factory crimp die, do I need to resize?
24 October 2003, 17:00
Bad Ass Wallace
You don't say whether we are talking pistol or rifle?
In a pistol case for the utmost relibility I always FL size. In rifles I partial size just enough to hold the bullet firmly and to chamber without binding.
With my 38/55 bench gun and breech seating the projectile, I can reload the same case many times but it is only being used to hold powder and a primer.
24 October 2003, 17:58
ddunn
I was thinking rifle (45-70, 458 win mag, the guys having problems with the 458 lott).

I have always fully resized my 44mag. It has been too easy not to.
24 October 2003, 18:57
HiWall
quote:
Originally posted by ddunn:
If I use a factory crimp die, do I need to resize?
With BP loads in .45/120 I 'neck sized' the brass until it was just tight enough to hold the projectile while allowing hand seating onto a pre compressed charge. I then used the Lee Factory Crimp die to lightly crimp so the bullet would not move while carrying them around.

Worked fine in a single shot rifle but I think if you are feeding from a magazine you would need to full length (or at least tighter neck) size or the bullet would move forward in the case under recoil.