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22-250 or 243 700 Yard Woodchuck Caliber

 
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  #8  
Old 07-09-2010, 06:12 AM
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Join Date: Feb 2003
Location: Illinios
Posts: 532
Re: 22-250 or 243 700 Yard Woodchuck Caliber

I just rebarreled my Model 70 22/250 to 243. Just got done with barrel break in.
41 grns. of H4831 and Horn. 105 A MAX. and 41.7 H4350 with Horn 95 SST. both are 1 hole groups @ 100 yds. will play to 600 this weekend.
NO more 22's for me.
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  #9  
Old 07-20-2010, 05:53 AM
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Join Date: Sep 2007
Posts: 92
Re: 22-250 or 243 700 Yard Woodchuck Caliber

I find myself in the same boat as you. 700 yards is about max shooting for me also. Maybe an occasional 800 yard shot, but mostly 400-600 is the long shots.

I spent alot of time looking at bullets and cartridges before I decided what to build. I went with a standard 22-250 with a 28" 1in8 twist Krieger barrel, on a reworked 700 action with a Manners stock.

I built this rifle to specifically shoot one bullet. The Hornady 75 grain A-Max. And shoot it does. As well as having a much better BC than the 75 grain 243 pills. I stayed with the standard 22-250 and not the AI because IMO 3300-3350 fps is more than fast enough to push the 75 grain pill. You can get it up to 3500 fps with the AI and Swift, but the barrel life is reduced drastically-so 3350 seemed to be the perfect velocity.

I realize the100 grain+ bullets in the 243 have a decent BC also. But for 700 yard shots you just do not need a 100 grain bullet to kill a ground hog. And I detest crawl offs also.

All you really do with the 243 is burn more powder with a heavier, more expensive bullet, with more recoil than the 22-250 to kill a ground hog. Personally I just do not think the243 is necessary. Maybe if you want to extend to 1,000 yards. But if I wanted to extend to 1,000 then I would skip the 243 completely and go to a 6.5mm caliber.

Study the 75 grain A-Max bullet. You will be pleasantly surprised. Tom.
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  #10  
Old 07-20-2010, 05:06 PM
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Re: 22-250 or 243 700 Yard Woodchuck Caliber

After thoughts, im going to have Travis redell build me a 22-243 8 twist for the 75 a-max. I know barrel life will be shorter than 22-250 but they make barrels everyday and it will tkae a lot of pigs before burning out. I wanted the 22-250 ai vel. but hate to waste barrel fireforming cases. For anytrhing longer range i have a standard 243 shooting the 95 bergers 1/2 moa.
mike
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