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Split neck 6x284??

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Unread 07-09-2010, 10:41 AM
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Join Date: Feb 2010
Location: Gillette, WY
Posts: 2,944
Split neck 6x284??

Fellas, here's my question i'm shooting a custom 6x284 on a rem 700 action with a 26" heavy Kreiger bbl. however the question relates to reloading. I am using new Norma 6.5x284 brass necked down with Redding dies, the problem i'm having is a BUNCH of brass is splitting at the neck BEFORE firing, it has to be happening during seating of the 107 SMK, that is the place I believe the problem is occuring. I have found about 20 of the last 100 that I have done are split, am I going to have to neck turn these cases? I didn 't figure necking from 264 to 243 would be enough to require neck turning, or do I need to use a bushing die? Any help would be great, I've been reloading for ~10 yrs & have never came across this problem with my 22-243.

Thanks in advance- Outlaw6.0
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Unread 07-09-2010, 11:59 AM
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Join Date: Aug 2005
Location: Murray, Ky.
Posts: 1,282
Re: Split neck 6x284??

I had to turn my necks to size down my lapua brass, but it was becouse it was smashing the neck down into the shoulder when trying to size down. Once I turned the neck everything went smooth.

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Unread 07-10-2010, 04:55 PM
Posts: n/a
Re: Split neck 6x284??

Try annealing the necks. I kept getting cracked necks with a couple different sizes of brass so now I anneal just about everything. I use the socket and drill method I found on this site and heat them till they just turn purple before the brass starts to glow red and drop em in a bucket of water.
My 25-06's would always want to crack.
Easier than you think.
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Unread 07-10-2010, 05:28 PM
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Join Date: Jun 2007
Posts: 934
Re: Split neck 6x284??

I used bushing dies and never had one split. turned the necks afterwards.
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