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Bullet sorting for LR consistency?

 
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  #1  
Old 03-18-2011, 11:49 AM
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Bullet sorting for LR consistency?

I'm going to sit down and sort some bulllets that I have for LR shooting. I was wondering what weight increments I should group them into, and what bearing surface groups.

Or is it a waste of time if they are within "X" weight and "X" bearing surface?
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Old 03-18-2011, 01:22 PM
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Re: Bullet sorting for LR consistency?

The whole sorting thing is revealing.

First ya sort 'em by weight and learn how many fall into a given weight.

Then ya scratch the ol noggin and group some of the weights together.

Then ya say, hmmmmm, the outliers will be for pressure testing.

Then ya learn that bearing surface length is proportional to weight. Hmmmmmmm, need a better/faster/easier bearing surface length gizmo.

The next experience is lets shoot some groups. Hmmmm all weight groups shoot pretty well. Hmmmmmm

What next, ...........lets shoot one from each weight group. Hmmmmm, didn't shoot too bad. Good enough for yotes way out there.

Hmmmmm, if I skip all of this sorting stuff, groups open maybe as much as a half MOA at any distance which makes the worst groups under 3/4 MOA.

Hmmmmm, I bagged all of that effort and load for very low ESs....... Works for me so far.

But, I'm about to start shooting a mile which may change my thinking. Maybe quite a bit......
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Old 03-18-2011, 04:11 PM
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Re: Bullet sorting for LR consistency?

I do not weigh pills for competition or sporters but I DO CHECK bearing surface.
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Old 03-18-2011, 07:19 PM
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Re: Bullet sorting for LR consistency?

Quote:
Originally Posted by Boss Hoss View Post
I do not weigh pills for competition or sporters but I DO CHECK bearing surface.
Boss Hoss,
How is that done?

To the OP-- (Not to hijack the thread, I hope the answer to this question will augment the information).

I did notice when I was reloading some 168gr SMKs for my 7mmRM the other day that the length of the bullets varied quite a bit. Can't remember by how much to quote it, but it was noticeable.

Last edited by CRNA; 03-18-2011 at 08:15 PM.
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Old 03-18-2011, 08:11 PM
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Re: Bullet sorting for LR consistency?

Not considered one! Mark King Rifles

JB bullet ogive comparator

I believe it looks like this:
DavidTubb.com.html
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Old 03-18-2011, 08:18 PM
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Re: Bullet sorting for LR consistency?

I use the tool made by John Buhay which is one and the same as the Tubb Unit......
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Old 03-18-2011, 08:20 PM
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Re: Bullet sorting for LR consistency?

But what are you actually measuring?
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