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No. of Lands and Polygonal barrels?

 
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  #1  
Old 09-18-2002, 11:11 PM
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Join Date: Mar 2002
Location: KY - LA
Posts: 40
No. of Lands and Polygonal barrels?

In my continuing long range education I stumbled onto Pac-Nor barrels website. First I noted the vast number of wildcats and secondly I note the vast array of twist rates/land combinations.

How do you select a non-norm land number? In some calibers, with available twist and land combos you would be looking at 5 to +15 choices. Is it all just trial and error or is there some formula? I realize as bullet weight/length goes up you generally want twist rate to speed up but how do you determine no. of lands? Preference?

Then there was even polygonal choices. From what I have read, polygonals namely Mike Rock barrels, are unbelievable shooters but I don't notice anyone on here really speaking of them.

Thanks for the comments.
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  #2  
Old 09-29-2002, 10:17 AM
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Join Date: Sep 2001
Location: North, Texas
Posts: 610
Re: No. of Lands and Polygonal barrels?

Dave King has a Tac-Ord built 338 Rum with a Pac Nor poly barrel. Look in the for sale section to get an idea as to how it shoots. I'm sold on it!
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