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How does twist rate effect bullets?

 
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Old 08-28-2012, 09:55 AM
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How does twist rate effect bullets?

Alright can anyone explain to me how twist rate works and how a certain twist rate plays a role in what weight bullet it to use? I know that it spins the bullet to stabilize it but not sure how to determine what is right for me. And what the best twist for a .300win mag would be and shooting grain round for that? whitetail to moose sized animals, out to 600yds for now but hoping to stretch that out slowly.

Thanks for any help!
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Old 08-28-2012, 10:39 AM
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Join Date: Jul 2004
Location: Texas
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Re: How does twist rate effect bullets?

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Originally Posted by Savage88 View Post
Alright can anyone explain to me how twist rate works and how a certain twist rate plays a role in what weight bullet it to use? I know that it spins the bullet to stabilize it but not sure how to determine what is right for me. And what the best twist for a .300win mag would be and shooting grain round for that? whitetail to moose sized animals, out to 600yds for now but hoping to stretch that out slowly.

Thanks for any help!

Certain twist rates are required to stabilize certain bullets at normal velocities. Higher or lower
velocities than normal will have an effect on the twist and could change it.

If you are looking for a table of twist rates look on the www.Lilja precision rifle barrels web site
under the FAQ section and there is lots of information on the selection of twist rates.

Hope this helps.

J E CUSTOM
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Old 08-30-2012, 06:35 AM
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Location: Great Falls, MT
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Re: How does twist rate effect bullets?

Quote:
Originally Posted by J E Custom View Post
Certain twist rates are required to stabilize certain bullets at normal velocities. Higher or lower
velocities than normal will have an effect on the twist and could change it.

If you are looking for a table of twist rates look on the www.Lilja precision rifle barrels web site
under the FAQ section and there is lots of information on the selection of twist rates.

Hope this helps.

J E CUSTOM
+1 on Lilja's FAQ >>> http://www.riflebarrels.com/faq_lilja_rifle_barrels.htm! Some other info ...

Barrel Twist Calculator

JBM - Calculations - Stability

Twist Rate, Bullet Length and Velocity calculation

all about bullets
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