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Difference Between Button/Cut Rifling?

 
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  #1  
Old 01-05-2010, 04:06 PM
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Difference Between Button/Cut Rifling?

What is the difference between cut rifling and button rifling? Pros and Cons of each if any and is there any other types that I haven't listed?
Thanks
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  #2  
Old 01-05-2010, 05:14 PM
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Re: Difference Between Button/Cut Rifling?

There are lots of 'generalities' to make about the two types of rifling methods, but few hard facts. Here are some generalizations.

In general:
1) You're more likely to get an accurate twist rate with cut riflings than button riflings.
2) Button riflings are easier on bullet jackets (less likely to produce bullet failure) than cut riflings. This may be changing with the advent of contoured (5R) cut riflings.
3) I think cut riflings are less likely to induce stress into the barrel steel.

I'm not an expert on this so please correct me if any of my generalizations are inaccurate.

-Bryan
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  #3  
Old 01-05-2010, 05:26 PM
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Re: Difference Between Button/Cut Rifling?

Cut rifling produces less stress and leaves the barrel that way. Less stress means more temp stable, and less bore distortion with contouring/finishing.
So if your putting together a HUNTING rifle with balance and reasonable weight, maybe a muzzle brake, and count on the first shot, this is the way to go. It is also accurate w/regard to spec (you get it with correct twist as ordered, etc).

There are perspectives that button barrels are more difficult to screw up. That it's easy to make them very good.. They will hot group as good as any cut barrel, but I know of no advantage to button over cut.
There is reality that waiting lines exist for good barrels of any make, and way more button barrels are made & available than cut. This might tip your scales towards them.

Do you group shoot or hunt?
If you group shoot, grab any of many good button barrels(why wait, appease your gun builder).
If you hunt, get in line for a cut barrel (and order extras).
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Old 01-05-2010, 06:00 PM
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Re: Difference Between Button/Cut Rifling?

Thanks but what usually come on factory rifles?
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Old 01-05-2010, 06:12 PM
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Re: Difference Between Button/Cut Rifling?

Quote:
Originally Posted by ovastafford View Post
Thanks but what usually come on factory rifles?
Hammer forged or button rifled.
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  #6  
Old 01-05-2010, 11:06 PM
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Re: Difference Between Button/Cut Rifling?

Cool well thanks for the information. Is there a price difference between the cut rifling and button rifling barrels?
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Old 01-05-2010, 11:14 PM
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Re: Difference Between Button/Cut Rifling?

Quote:
Originally Posted by ovastafford View Post
Cool well thanks for the information. Is there a price difference between the cut rifling and button rifling barrels?
Not normally, most will run very similar pricing to each other.

BH
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