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6.5-284 Neck diameter

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Old 02-04-2004, 12:13 AM
Junior Member
Join Date: Feb 2004
Location: Alaska
Posts: 3
6.5-284 Neck diameter

Some guidance if you guys wouldn't mind....

BAT will be chambering a Krieger in 6.5/284 and their reamer is for a .290 neck. I will be neck turning...also it won't need the reliability of a 'life or death' firearm.

Any reason that I should ask him to open that up a bit?

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Old 02-04-2004, 07:42 AM
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Join Date: Jun 2007
Location: Fredericksburg VA
Posts: 4,120
Re: 6.5-284 Neck diameter


.290 is the standard neck for the 6.5 for 1k BR guns and you are right it will require neck turning. You will have to do extensive turning to get there (down to about .012 or .0125, but as long as you understand that, then no problem. I would go with the .012, gives you a little more margin of error if you are new at this.

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Old 02-04-2004, 05:51 PM
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Location: Long Island, New York
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Re: 6.5-284 Neck diameter

What is the neck wall thickness of new Lapua 6.5x284 brass?

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Old 02-04-2004, 06:47 PM
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Join Date: Jan 2002
Location: Nashville, TN
Posts: 250
Re: 6.5-284 Neck diameter


A loaded lapua case, using 142SMK's, nakid,, go .295", give or take .001".

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Old 02-05-2004, 12:12 AM
LDO LDO is offline
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Join Date: Sep 2003
Location: eagle,co
Posts: 251
Re: 6.5-284 Neck diameter

i agree with fatboy-my loaded rounds b4 turning are .296-7,i have a .297 neck in mine so i just "clean up" the necks so my loaded rounds after are .293,much easier than .290 neck IMO.my-2-dave
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Old 02-05-2004, 08:54 AM
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Join Date: Dec 2001
Location: Long Island, New York
Posts: 2,124
Re: 6.5-284 Neck diameter

Thanks guys.
Mike Bryant is building my new 6.5x284. He has a reamer with a .290" neck and a throat set-up for the Sierra 142SMK so that is what I went with.
I just ordered some Lapua brass, dies, etc and was wondering how much I would need to turn off the necks.
Looks ike about .003"-.004" will get turned off.

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Old 02-05-2004, 08:58 AM
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Join Date: Jul 2003
Location: Central PA
Posts: 1,310
Re: 6.5-284 Neck diameter

my reamer is a 294 neck so i will probably clean up most ofa lapua neck without having too take too much brass off and heat up the neck turning tool.

My reamer is to John Hoover's Spec but 294 instead of 296 like his.

I'll rent you the reamer for a job if you dont want to turn off so much brass [img]images/icons/wink.gif[/img]

Check it Out!!--> Shoot the Smack The Smiley Match...and help AmericanSnipers.org
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