Rate of Twist? - The HuntingPA.com Outdoor Community
 
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post #1 of 10 (permalink) Old 12-29-2011, 07:27 PM Thread Starter
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Rate of Twist?

I'm looking at getting a .22-.250 in a Tikka T3 Lite, or a Tc Venture Predator. Anyhow, I'm planning to hand load, and someone said something to me about the rate of twist of the barrel and having to do with the long range performance of it, anyone shed some light on me about the rate of twist??

Thanks again

Ryan.

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post #2 of 10 (permalink) Old 12-29-2011, 07:42 PM
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Re: Rate of Twist?

A faster twist rate like 1 in 7 or 8 is required to stabilize longer bullets. Usually the twist rate is expressed in regards to bullet weight understanding that within the same type of bullet a heavier bullet will be longer. But the rate is actually related to the length of the bullet.

It is possible to over-spin a bullet reducing accuracy but for practical purposes you probably wouldn't notice it. Target shooters know the most accurate twist is the slowest twist that still stabilizes the bullet. There are many sites that list recommended twists but here is Lilja, table on the bottom.

http://www.riflebarrels.com/products...wist_rates.htm

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post #3 of 10 (permalink) Old 12-29-2011, 08:48 PM Thread Starter
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Re: Rate of Twist?

I see.... well they don't list the tikka but the venture is 1:12 So Hopefully that's good lol.

Ryan.

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post #4 of 10 (permalink) Old 12-29-2011, 09:14 PM
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Re: Rate of Twist?

If you go here and click on specs you'll see the twist is 1:14 for 22-250, 223 is 1:8 like the AR's.

http://www.berettausa.com/products/tikka-t3-lite/

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post #5 of 10 (permalink) Old 12-30-2011, 02:25 AM
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Re: Rate of Twist?

i had a tikka t3 lite stainless in 22-250 and regret everyday that i sold it. was the most accurate and lightest gun ive ever had. it loved my nosler 40gr. ballistic tip handloads
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post #6 of 10 (permalink) Old 12-30-2011, 02:54 AM
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Re: Rate of Twist?

I would say with that twist you wouldnt want to heavier than in the mid 50 grainers. I built a 22-243 in a 8 twist so i could shoot the heavier 75 and 80 grain vld's.
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post #7 of 10 (permalink) Old 12-30-2011, 05:06 PM Thread Starter
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Re: Rate of Twist?

wow 14 is really high isnt it??

Ryan.

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post #8 of 10 (permalink) Old 12-30-2011, 05:40 PM
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Re: Rate of Twist?

14 is common for the 22-250. 36-52 grain bullets should work fine.
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post #9 of 10 (permalink) Old 12-30-2011, 06:06 PM Thread Starter
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Re: Rate of Twist?

awesome, Thanks again for the info and help guys.

Ryan.

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post #10 of 10 (permalink) Old 12-30-2011, 06:09 PM
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Re: Rate of Twist?

Velocity is the other factor in what twist rate you need. The .22-250 pushes a given bullet faster than a lessor cartridge like the .223. ...so, with the same projectile - the .22-250 will need less twist to stabilize the bullet.

1:12" is generally plenty with your average bullet selection with the .22-250. Should you go with a really long bullet, then you might consider a faster twist.

If you have to track your game, then you aren't using a big enuff gun.
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