Twist

Your feelings on Barrel Twist

  • What is Barrel Twist ? !

    Votes: 2 3.5%

  • For conventional hunting situations, not important

    Votes: 11 19.3%

  • Very Important for all shooting

    Votes: 26 45.6%

  • It would decide whether or not I purchased the hunting rifle

    Votes: 10 17.5%

  • More important for target shooting

    Votes: 13 22.8%

  • Have never worried about it

    Votes: 9 15.8%
  • Total voters
    57
  • Poll closed .
sealhunter

sealhunter

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What is you oppinion 1;8 1;9 and 1;12 twist in varminter like 220 swift, 223 and 22 250 ?

Is it all that important? Should it be a deciding factor for an otherwise great purchase?

What do you think?
 
For me it would depend on what cal I was shooting and what weight bullets I planed to reload. My old Ruger #1V in 6mm was a slight concern, but I still bought it.
 
I can only speak for the .223 as I have never shot the other two, a 1/9 twist is good one for hunting it will handle the 69 to 75 gr bullets, and wll get the 75gr Hornady HPBT Match to 1000 just though, the 1/8 or 1/7 is needed for the 80 gr bullets at 1000, Talked with tec at sierra bullets about there 77gr in a 1/9 twist at 1000 he claimed the go subsonic around 750 yards there BC is to low, but there 80gr in 1/8 do quite well at long distances.
 
it *is* important because for a rifle to be useful for a particular purpose, it has to spin the bullet you want to do the work at a sufficient rate that it will indeed shoot.

A 1-14 twist 22-250 is fine and very common, but if you want the gun to shoot 500+ yards, you will need to up the bullet weight to 70+ grain and that twist just wont cut it with anything more than a 55 grain or maybe 60. A 1-8 would be better
 
Going back to the original question; I would buy a barrel with a twist that was 1" faster than recommended by the greenhill formula for the bullet and caliber and I intended to use. Formula is T=150 D squared over L

cheers mooncoon
 
That's such a hugely open question. It depends on so many things.
Twist rate has a direct impact on which bullets you can shoot. For the most part, I think it's best to go with a twist rate that's slightly too fast than too slow, and most manufacturers seem to agree, which is why most hunting rifles have a twist that will stabilize bullets much heavier than 'typical' for that cartridge. All those 10" twist 308's, for example.

Varmint guns are a bit of a different story. Faster twists decrease your MV, so manufacturers usually choose a much slower twist.
 
Well there is my point. It is not as hugely open a question as you think.
There are many hunters, that have no idea what twist their rifle is, or what difference it makes when shooting different weighted bullets.

You being aware of it, makes it something that you onsider obviously, but how much difference do you think it honestly make to your hunting?

A lot?
A little?

If you left your rifle home and had a loaner for the weekend, would you need to know what the twist was before you used it ?

I am aware that twist obviously affects accuracy and velocity,
but I'm not so convinced that for hunting, say a 200 yrd shot on a moose,
that a 1;8 1;9 or 1;10 twist would have any bearing on my bullet choice within a calibres big game factory offerings.
(not handloads)
So is factory ammo basically made to be suited to the most common twists available for that calibre? and if so, does this mean that twist, is a consideration for handloaders and target shooters moreover the factory ammo hunter?

These aren't so much oppinions as they are motivation for discussion!:)
 
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If you left your rifle home and had a loaner for the weekend, would you need to know what the twist was before you used it ?
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wouldnt shoot a loaner
If Im going hunting I have to have my rifle cuz i know and trust it
 
It depends on the caliber and what you plan on doing with the gun.

.223 being the slowest with a 1:12 twist it can only stabilize up to a 55gr bullet so if you wanted to shoot over that weight then go a 1:9 twist

.22-250 with a 1:12 twist can stabilize up to a 65gr bullet

.220 swift has more velocity then the .22-250 so it should be able to stabilize heaver loads then the .22-250 but I dont have experience with the swift.
 
Joe_hunter who shoots factory ammo out of his factory gun at typical hunting distances has no need to know twist any more than you need to know how hot or cold the plugs are in your car.
 
sorry, the first choice was funny! :)

I think it depends on the caliber, as the higher you go, the less of a difference there is amongs factory rifles.

From what I've seen, anyways.
 
joe-nwt said:
Joe_hunter who shoots factory ammo out of his factory gun at typical hunting distances has no need to know twist any more than you need to know how hot or cold the plugs are in your car.
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this is also true the manufactures know what is available for factory ammo and grears production towards the masses not just reloaders....its only when you get into heavy reloads that twist comes into play in most cases.


example I shoot a .22-250 with a 1:12 twist the max weight factory load I have found is 55gr but my gun can stabilize up to a 65gr....its the same with the other calibers you listed...
 
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joe-nwt said:
Joe_hunter who shoots factory ammo out of his factory gun at typical hunting distances has no need to know twist any more than you need to know how hot or cold the plugs are in your car.
Click to expand...

That doesn't mean that the twist isn't important, though, just that the manufacturers choose good 'typical' rates
 
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