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Clean bore vs. fouled bore for 1st shot accuracy

 
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  #8  
Old 07-05-2012, 09:04 PM
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Re: Clean bore vs. fouled bore for 1st shot accuracy

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Originally Posted by Mikecr View Post
You can't just 'try' coated bullets with any meaning.
It takes a plan and management to succeed with.
That depends on the objectives, standards and conditions of the trial.
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  #9  
Old 07-06-2012, 08:32 AM
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Re: Clean bore vs. fouled bore for 1st shot accuracy

If you have the right Smith and using the right componets for the build there is no real change in POI between fouled or clean. I have tested this with 18 of my built rifles by one Smith. I have others that are wood built sporters by another Smith that change very little (less than .5 at 100yds) from a pristine clean condition.

All using SMK's that are non coated.
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Old 07-06-2012, 10:05 PM
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Re: Clean bore vs. fouled bore for 1st shot accuracy

Did the WS2 post clean barrel treatment for awhile but it is dirty. Now use hBN with the same process and I am 100% happy with first shot cold bore. Virtually no impact change.
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Old 07-06-2012, 10:12 PM
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Re: Clean bore vs. fouled bore for 1st shot accuracy

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Originally Posted by WTXDrifter View Post
MikeCR.

I appreciate your timely response and now I have a few questions:

What is Tungsten disulphide (WS2)?
Where do I get it?
and how is it applied?
Are your bullets coated with the black moly?

I'm interested in long range hunting with commercial rifles. Maybe someday I might try my hand at Class F competition.

Lower Friction

Hex Boron Nitride (hBN) Bullet Coating

It is important to start with clean bullets and I recommend warming them up before tumbling. WS2 and hBN process is the same.
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  #12  
Old 07-06-2012, 11:25 PM
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Re: Clean bore vs. fouled bore for 1st shot accuracy

Great question! What I can say is this----it depends on her. All my rifles are different. I don't think that you can predict one way or another--you'll just have to shoot and figure it out. I've got a 300 win mag that LOVES a dirty barrel. So, I don't let it get real dirty but I always put it away dirty and she is spot on.

Randy
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  #13  
Old 07-07-2012, 05:56 AM
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Re: Clean bore vs. fouled bore for 1st shot accuracy

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Originally Posted by mtnwrunner View Post
I don't think that you can predict one way or another--you'll just have to shoot and figure it out.
I think you can predict they'll shoot to point of aim when clean if you get one of the top quality aftermarket barrels. I predicted my 30 caliber Hart, Obermeyer and Kreiger barrels to do that; they all did. But with standard production factory barrels, I think most of them need a few shots to settle down.

My Anschutz .22 rimfire match barrels were predicted to shoot a few MOA high with a clean barrel; they did. Same with others using Hart, Lilja and Walther rimfire match barrels; they all shot high from a clean barrel. Takes 3 or 4 shots to get them fouled enough to slow the bullets down so they shot to point of aim.
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