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I'll bet somebody knows the answer to this.

 
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  #1  
Old 01-21-2004, 01:34 PM
 
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I\'ll bet somebody knows the answer to this.

I am doing some load development right now. I am shooting a .264 with A-max bullets aginst the lands. What I am noticing is that as I vary my loads I am ALWAYS getting 2 shots hooked together and the 3rd flying away from the group. Varying the load will bring the 3rd shot in with the others.
What I am wondering though,could I control the dispersion by seating depth instead.
Or is this just another situation where there are not any typical circumstances, and all guns will react differently?
If the dispersion can be controlled by seating depth I think I may have a pretty consistent powder range to work with.
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Old 01-21-2004, 02:06 PM
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Re: I\'ll bet somebody knows the answer to this.

frankg

when you say away from the group are the vertical, horizontal or no set pattern?

Vertical will normally mean come up or down on powder, you are off the tuning node.

Horizontal is wind.

Check the bedding also.

BH
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Old 01-21-2004, 03:45 PM
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Re: I\'ll bet somebody knows the answer to this.

Let me ask you this, is bullet #3 always in the same place?
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Old 01-21-2004, 06:58 PM
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Re: I\'ll bet somebody knows the answer to this.

What do you get with a 10 shot group? How long between shots? Is the barrel heating up?
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  #5  
Old 01-21-2004, 08:27 PM
 
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Re: I\'ll bet somebody knows the answer to this.

I would say almost all verticle,with the 3rd shot in the same place relative to the other shots.I havn't tried 10 shots with this powder yet.From what I am hearing I need to keep testing with the powder and get a more consistent pattern.
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Old 01-25-2004, 01:45 PM
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Re: I\'ll bet somebody knows the answer to this.

As stated above, vertical stringing can be caused by a need to vary the powder charge, too much variance in your charges in any given string, or, could be due to an inconsistency in return to battery. With horizontal strings, it's usually wind or a heavy trigger, or, possibly, bedding. If you are getting a tight group with a triangular pattern, bbl harmonics are at play and you should vary your charge up and down 1/2gr at a time until you hit the sweet spot. Good luck.

TH
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