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Foster Bushing Bump Neck Sizing Die

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07 August 2009, 20:10
Rusty
Foster Bushing Bump Neck Sizing Die
Can I use this die to do the first resizing of band new unfired brass? Or do I need to run the brass through a full length sizer die first?


Rusty
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07 August 2009, 22:52
338zmag
I bought the Forster neck bushing/shoulder bump die for my 300 WSM. I sized my cases then loaded 24. I went to the range and when I flipped the safety off the gun went off. Tried several more and same thing. I called Forster and they asked me to send the die back with some unfired, sized cases. I did and am waiting to see what they say. I shot Factory ammo in my rifle with no problems.
08 August 2009, 01:35
amamnn
I use the Forster bump die for two cartridges, and still use the FL die for the initial sizing and after annnealing. The only differences is that the FL die will size the web/head area and open up any tight necks. Since most new brass I've seen is undersized to start with, it should be no problem to use the FL die and in the event there's a case or two a little big in the butt, you can prevent any initial chambering problems in that area.


One thing to keep in mind when using Forster's bushing dies, especially if you have been using Redding bushing dies:

Forster bushings should be screwed down fairly firmly as opposed to the Redding dies which should be left a tiny bit loose inside the die. I can tell you from my own experience that the difference in the case produced is real. Also, there is a top and a bottom to the bushings.


If the enemy is in range, so are you. - Infantry manual
08 August 2009, 03:14
kraky
I've had the bump die on order for my .308 for many months....hope to get one someday!!
When I do get it I still won't monkey around with new brass before the first firing any more than plunging a expander ball in the neck and chamfering and loading.
I always figure the time prepping should come after fireforming somewhat to the chamber.
08 August 2009, 05:22
woods
quote:
Originally posted by 338zmag:
I bought the Forster neck bushing/shoulder bump die for my 300 WSM. I sized my cases then loaded 24. I went to the range and when I flipped the safety off the gun went off. Tried several more and same thing. I called Forster and they asked me to send the die back with some unfired, sized cases. I did and am waiting to see what they say. I shot Factory ammo in my rifle with no problems.


There is no way a sizing die can cause this to happen. You have a rifle problem.


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