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Reloading Techniques For Reloading


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For those of you that use a NECO concentricity gauge or similar style...

 
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  #8  
Old 12-04-2013, 10:38 PM
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Re: For those of you that use a NECO concentricity gauge or similar style...

Me too. I think a high end bullet seating die would help. I just turn and seat because I don't have a 200.00 die. LOL
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  #9  
Old 12-04-2013, 10:54 PM
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Re: For those of you that use a NECO concentricity gauge or similar style...

Fixing the problem could be as simple as seating slower or faster while rotating the case. I find different brass / bullets give lower runnout by seating by their own method of rotating/seating incraments (trial and error). Sound like voodoo but woks for me.
Even indexing your seating die in different positions sometimes helps.
Basically even a cheap runnout gauge can at least gives you an idea of how your doing.
And realize that lubing consistently when full or partial length sizing matters.
Also I find using mica as a dry lube is beneficial in seating straight.
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  #10  
Old 12-05-2013, 12:34 AM
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Re: For those of you that use a NECO concentricity gauge or similar style...

I'm sure there is probably a lot of voodoo in reloading. Those sound like great ways to help lessen the chance of excess runout. My question is if your holding a case in your hand that has to much runout how do you fix that particular case? Can you stick it back in the seating die and rotate it as you cam down on it after the fact that you have already seated this particular cartridge and discovered to much runout? Do you put it in your teeth and bend? Ok now I'm just trying to be funny
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  #11  
Old 12-05-2013, 12:53 AM
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Re: For those of you that use a NECO concentricity gauge or similar style...

The Hornady Guage has a plunger on a thread bolt that presses the bullet the direction you need it to go. It takes a little bit of practice, not a lot, and you can put a bullet at .001 easily. It simply requires you to spin the bolt with your fingers the correct direction and amount, check, repeat etc.

If you get 1 and need help call me. It is pretty easy. Could even make a super quick vid or Skype you.
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  #12  
Old 12-05-2013, 03:06 AM
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Re: For those of you that use a NECO concentricity gauge or similar style...

You can't fix runout by bending necks, and it's a bad idea to do this IMO.
The only way to fix runout is fireforming/refireforming. A die cannot do it.

The primary cause of runout is thickness variance of a case.
The initiator of runout is sizing, and misaligned sizing can also directly cause runout of course.
A minor contributor is misaligned seating.
To make straight ammo you need to address the actual source/cause of loaded runout.
Culling cases by thickness variance, neck turning, minimal sizing and seating with inline dies, etc.

Once you've made crooked ammo, you can adjust only eccentricity of it, possibly with a cost of increasing runout further(neck bending). But concentric ammo that is crooked won't chamber and fire the same as straight ammo. It's not the same thing.
You can make it straighter by firing it in your chamber, and then try again to size & load it straight as measured on a runout gage.
Work out the bugs a couple times & you'll get real good at it across the board.

The NECO is an excellent gage if you're set on it. I just prefer Sinclair, and I also prefer their neck turning system, and neck thickness gages, yadda, yadda. I spend a bunch there I guess...
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  #13  
Old 12-05-2013, 10:07 AM
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Re: For those of you that use a NECO concentricity gauge or similar style...

I am not sure the Hornady Guage was intended to do much with the case neck. It contacts the bullet and only the bullet for proper alignment measurement. The bullet can be moved slightly, generally around .003 to .005 to get to .002 or less.

If you wish to put the guage on the neck that is fine, but it is not designed to do that in my opinion. I have never had a piece of Lapau brass, measured at the neck, be out of whack enough to worry about. However, bullets don't always seat straight with the cheaper dies.

I think we all talking about different things here. Bullet seating and neck alignment vs straight cases. I am only refering to Bullet seating and the alignment of the bullet in the neck of the case. The shallower a bullet is seated the greater the chance of bullet alignment issues. The Hornady guage does a VERY GOOD job at measuring this variance and the dial indicator quality is quite nice. IMO, it works as it should and gives you feedback needed to address any issues with cases or bullet alignment. It works well enough to give me 4 rifles so far all shooting under .3 MOA on factory actions, stocks, and barrels. Looking forward to a custom barrel soon. I want bugholes. : )
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  #14  
Old 12-05-2013, 10:37 AM
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Re: For those of you that use a NECO concentricity gauge or similar style...

I shoot long heavy bullets mostly so they occupy all of the neck and then some. Thats where correcting bullet runnout more than .004 effects my neck tension/velocity.
On those rounds to correct .004 I usually had to move the dial indicator more than .015 to get it straight.
If I only have to move the indicator .005 or less to correct .003 or less runnout its deemed a keeper otherwise the ones with more than .003 runnout gets deemed fowlers.
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