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22-250 twist rate

 
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  #1  
Old 01-28-2003, 11:17 AM
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Join Date: Aug 2002
Location: texas
Posts: 18
22-250 twist rate

i'va just found an article about rate of twist and the proper bullets for that twist. i own a savage 22-250 with 1 in 12 rate of twist. so according to the formula i found, my favoritev 50 and the 55 gr.hornady v-max bullets will work best in a rifle with 1-9 rate of twist and not with mine. so what is the most accurate bullets for my rifle? do i really need to stay with 45gr. bullets or less? by the way i'm new to the reloading thing
L=(150xDxD)/T
L= LENGTH OF BULLET IN INCHES
D- BULLET DIAMETER
T=RATE OF TWIST
sambo
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  #2  
Old 01-28-2003, 11:27 AM
 
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Re: 22-250 twist rate

Twist rate is only one part of what stablilizes a bullet. Rpm is what your really after. Shoot a high velocity load in your one in twelve, and see if the bullet you like stabilizes, I suspect it will. The 50 to 52 grain bullets should work no problem in your one in twelve at high velocity. [img]images/icons/wink.gif[/img]
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  #3  
Old 01-28-2003, 08:29 PM
 
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Re: 22-250 twist rate

Sambo--
You can stabilize the 50-55 gr bullets with no problem. I have a 1:12" twist in my .223 and it shoots the 50's at 3350 fps into the .3 MOA range out to 300 yds. Most .22-250's have a 1:14" twist and regularly shoot bullets up to 60 grains without problems. Hell, I shoot 240 gr. SMK's in my Tomahawk and the skeptics said it wouldn't stabilize. Like S1 said, the speed plays a much greater role than you would think. If it won't fly straight, DRIVE IT FASTER... [img]images/icons/grin.gif[/img] [img]images/icons/wink.gif[/img] [img]images/icons/grin.gif[/img]

S1 --I got the Remmy Tupperware Friday --THANKS... [img]images/icons/grin.gif[/img] [img]images/icons/smile.gif[/img]
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  #4  
Old 01-29-2003, 09:52 PM
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Join Date: Apr 2002
Location: Montana
Posts: 253
Re: 22-250 twist rate

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.
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  #5  
Old 02-03-2003, 07:01 AM
 
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Re: 22-250 twist rate

i to have a 1:14 twist 22-250 and wouldnt mind some load info on your 55 gr. v-max, what kind of barrel and action are you using?
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  #6  
Old 02-03-2003, 10:42 PM
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Join Date: Apr 2002
Location: Montana
Posts: 253
Re: 22-250 twist rate

The 22-250 is just a Remington Sendero 26'' SS fluted barrel.

RL15 34.5gr. ~3650fps
H380 38.0gr. ~3750fps

These were the most accurate loads. You can use more RL15 than that, but the 34.5gr seemed to shoot the best in my gun. I live at 6700ft so depending on your elevation the velocities will varry a bit. I prefer to shoot the RL15 over the H380 because H380 varries with temperature more. If you are planning to shoot deer or antelope with it the seirra 55gr. BTSP works great with the same loads and ballistics are near identical.

The gun is now a 22-250 40degree, I would highly suggest making the modification. I can now shoot in the 3900-4000fps range with better accuracy, and I get about 15 reloads per case.

Hope this helps.
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  #7  
Old 05-15-2012, 06:32 PM
Zep Zep is offline
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Join Date: Dec 2011
Posts: 382
Re: 22-250 twist rate

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.
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