22-250 and a 7 twist anybody

[dtucker]

I am going to build a 22-250 to shoot the heavier bullets and was going to buy a 8 twist for the project. I have a chance on a good deal for a 7 twist barrel to use instead. Am I going to be alright with a 7 twist or should I go ahead and get a 8 twist for the project?

Thanks,
Dan

 

[Spoonbill]

I too am curious about a fast twist 2nifty.

 

[varmintshooter]

My buddy has a 7 twist and shoots 65 grain S Gamekings for deer hunting. It is very accurate. His first 3 shot group with 80 grain Amax were all touching but the 65's are working well.

 

[Walt Krafft]

Get the 8 twist. You will be on the verge of blowing up bullets at 22-250 velocities. A 7 twist will make it more likely.

 

[Gargoyle]

I always thought a 77 SMK in 22-250 would be the mut's nuts.

 

[Edd]

I am going to build a 22-250 to shoot the heavier bullets and was going to buy a 8 twist for the project. I have a chance on a good deal for a 7 twist barrel to use instead. Am I going to be alright with a 7 twist or should I go ahead and get a 8 twist for the project?

Thanks,
Dan

I have the parts to build a 22-250 Improved for heavy bullets. I bought a 6.5" twist barrel blank.

 

[urbanrifleman]

Only if you plan to shoot Sierra 90s.

Pretty much every other bullet on the planet will be lucky to make it to the target without flying apart.

Hard pass on the 7 twist. Not at those velocites.

 

[dtucker]

Thanks for the info guys, I will pass on the 7 twist barrel.

 

[Fuj]

A buddy of mine swapped in a 9 twist for his Swift to shoot
the 90's, and he did have some blow ups early on. 3350 fps
kept them together. for his accuracy node. I don't think he
got any decent barrel life though.

 

[urbanrifleman]

I shoot the 22xc (basically the exact same case capacity). I shoot one of my 8 twists.

It shoots quite well.

What action are you using?

 

[Fuj]

I shoot the 22xc (basically the exact same case capacity). I shoot one of my 8 twists.

It shoots quite well.

What action are you using?

His was early model Winchester model 70 chambered for the
220 Swift with 1:14 twist from the factory.

 

[lal357]

im running 80gr smk at 3150 fps out of a 1-8t 24" McGowen in a savage 112 i could push them harder but dont want to burn the barrel up to quick

 

[LVLAaron]

I have a buddy that shoots one in a 6.8 twist - 90 and 95g SMK's. Hell of a gun. It will explode bullets though.

 

[Downhill]

Got a buddy running the 224 Texas Trophy Hunter. 8 twist with the old 80 grain Amax. He swears by it. I believe it is based on the 6mm Remington. Velocities should be somewhat similar to a 8 twist 22-250.

 

[Blanco]

If you could shoot the 88 Gr ELDX a bit faster than the 224 Val with the same accuracy without grenading the bullet that would be something I would do...But I like doing stuff everyone says won't work.

 

[Geno C]

We’ve ran 8s in 22-250ais for a while. This next barrel is a 7 twist. There are a couple things you can do to put things in the bullets favor of staying together. Shorter barrel. This reduces the amount of time that friction is induced on the jacket. A little larger bore. The barrel I’ll be chambering this week is a .2195” bore. Again, this is to decrease jacket aggravation. Plan for this one is a prs rifle for my wife so were limited on speed to 3200fps

 

[slm9s]

7 twist 22-250ai with 70gr RDFs and RL26 has been a great combo for me.

 

[Geno C]

7 twist 22-250ai with 70gr RDFs and RL26 has been a great combo for me.

How fast are you running them?

 

[Intell]

I use a 7 twist Rock creek in a 22 creedmoor, very close to your 22-250 and I’ve only shot 95 SMKs through it at 3180 fps and it shoots great.
I also have an 8 twist that shoots 90 SMK good, but it will not stabilize the 95s in my gun, it’s a proof barrel, bad key holes at 100yds.
if your only shooting 90s the 8 should work.
I’ve not tried 90s in my 7 twist yet. I bought 1000 of the 95s, that will probably be the life of the barrel.

 

[wbm]

imo. 243 way better with heavies than 22-250.