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22-250 twist rate

 
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  #8  
Old 05-15-2012, 09:42 PM
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Re: 22-250 twist rate

I shoot the 55 gr v max out of my model 70 stealth2. It likes 39.5 gr of H380 @ 3905 fps. 1/2" on most days, less on good days and a touch more sometimes.
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  #9  
Old 05-16-2012, 06:43 AM
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Re: 22-250 twist rate

My Sako Finnlite 22-250 shoots the Hornady 55gr V-max with great accuracy on GH's.
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  #10  
Old 05-16-2012, 11:21 AM
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Re: 22-250 twist rate

Quote:
Originally Posted by Kevin View Post
Sambo,
Seconding what they said, it is about he rpm's. Just more examples for you: I have a 22-250 in 1:14 twist and the most accurate combination I found is the 55gr. V-max in the low 3700fps range. So I am sure your 1:12 will stabilize them. I also have a 220AI with a 1:16 twist!, and it can also stabilize 55gr. bullets, but velocity is 4230fps. If you want any load data let me know.
the Savage will easilly stabalize the 55 grain Vmax, and will be border line on the 53 grain Vmax. Best bullets I've found so far in the Savage is the Sierra #1365 at about 3550 fps using IMR 3031 powder. 2015 didnit seem to work nearly as well in the three savages I've owned or own right now. Yet the powders are very similar. The heaviest bullets I've shot were 60 grain Hornadays and Sierras. The Sierras seemed to shoot better, but not as well as the 55 grain bullet.
gary
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  #11  
Old 05-16-2012, 01:46 PM
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Re: 22-250 twist rate

Right now I'm in the middle of working up a load I didn't think would work since my 22-250 has 1in14 twist. (actually it shouldn't work according to conventional wisdom).

The load is 53gr vmax
40.5 gr biggame
rem 9 1/2 primer
Nosler cases

gone through several powders, several different primers, and I'm now working up to 41.5gr or until I see a hint of pressure. So far it's shooting 1/2moa or better and seems to like being pushed hard, the only down side being that wood (maybe bullet fragments) from the target mount tear the hell out of the paper so you end up walking down range to check group size. but since this load is fully intended to scatter Pdogs and gophers I'm not complaining.
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  #12  
Old 05-18-2012, 08:00 PM
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Re: 22-250 twist rate

Quote:
Originally Posted by Zep View Post
This is an older thread but I was doing a search because I am thinking about purchasing a 22-250 for woodchucks. 1-14 twist.

I thought there is some good information here. Not just bullet weight but bullet speed.

Comments are appreciated.
The 22-250 is a blast to shoot any time, but if you really want to unlock some performance doors get yourself a fast twist barrel of 1:8 or 1:9 and fire the big .224 bullets like the 70 gr VLD, 75 gr amax, 77 gr SMK or the 77 gr hybrids to name a few. With the right load combination and barrel you can push them around 3200-3300 fps safely. It's worth it for the wind resistance alone with the tiny .224 caliber.

The fast twist 22-250s are chuck splattering machines at long range.
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  #13  
Old 05-18-2012, 08:22 PM
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Re: 22-250 twist rate

I shoot a 6/250AI with a 1:8 twist barrel. It'll push 105Amax bullets at just under 3100 fps (very hot), and really gets the job done at about 3030fps. (mid twos and very low threes). Cases are simple to form out of 22-250 brass or better yet generic .243 brass. Dies were made from a .243AI sizer and a 22-250AI seater with a reamer run thru the neck of the sleeve. (.2775") I hand reamed the bore to .265" and then finished it with a custom ground reamer that was .277. Took about thirty minutes and a slight bit of elbow grease. The size was even easier as I cut off the .243AI die to the proper length in a lathe.
gary
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  #14  
Old 05-20-2012, 03:50 PM
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Join Date: Feb 2010
Location: Central Oregun
Posts: 12
Re: 22-250 twist rate

Lots of misinformation here, by comparing the 223 and 22-250 with their twist rates. A 223 with a 10 twist shoots 69's a 22-250 with a 12 twist shoots 69's.

For the 12 twist 22-250 you can shoot the 34 Grain dogtowns all the way up to the 69's. I know I own and shoot one.

The most accurate is the long 60 grain V-max @ 3700+ fps.

The 69's from a 22-250 must be shot at 4,000 elevation to work, as the twist is bordering stability.

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