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heavy .223 bullets in 1-12 twist

 
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  #1  
Old 11-23-2010, 11:48 PM
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heavy .223 bullets in 1-12 twist

I have a Remington 700, laminated thumbhole stock, stainless fluted bull barrel with a 1-12 twist. Scope is a Nikon Monarch 6X24. I am getting 1/4" groups with 50 gr v-max in front of 20.0 gr of h-4831. This will be nice for long range ground squirrels but I would like to try some heavier bullets to shoot out to 500 yrds or beyond at 'yotes or whatever.

I know the 1-12 twist is not ideal for heavier bullets. Anybody shooting 60gr+ in this slow a twist? AM I constrained to 55gr max? any ideas I could try?

Thanks!
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  #2  
Old 11-23-2010, 11:52 PM
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Re: heavy .223 bullets in 1-12 twist

60's won't be a problem, up to 65's may shoot depending on the bullet length.
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  #3  
Old 11-24-2010, 12:18 AM
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Re: heavy .223 bullets in 1-12 twist

Agreed, I have a 1 in 12 and all the 62 grainers I have tried stabilized fine and even black hills 68 grainers. I expect they where pushing it but they worked great.
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  #4  
Old 11-24-2010, 08:48 AM
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Re: heavy .223 bullets in 1-12 twist

I have a .22-250 AI w/1 in 12 twist. It'll shoot 60 grainers but nothing heavier, and my velocities are much higher than your .223 can think about (more RPM). Just goes to show, it all depends on the barrel.
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Old 11-24-2010, 09:42 AM
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Re: heavy .223 bullets in 1-12 twist

Quote:
Originally Posted by 4given View Post
I have a Remington 700, laminated thumbhole stock, stainless fluted bull barrel with a 1-12 twist. Scope is a Nikon Monarch 6X24. I am getting 1/4" groups with 50 gr v-max in front of 20.0 gr of h-4831. This will be nice for long range ground squirrels but I would like to try some heavier bullets to shoot out to 500 yrds or beyond at 'yotes or whatever.

I know the 1-12 twist is not ideal for heavier bullets. Anybody shooting 60gr+ in this slow a twist? AM I constrained to 55gr max? any ideas I could try?

Thanks!

OOPS! I ment H4198 SORRY!
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Romans 3:23 "For all have sinned and fall short of the glory of God."
Romans 6:23 "The wages of sin is death but the gift of God is eternal life through Jesus Christ our Lord."
Romans 5:8, "God demonstrates His own love for us, in that while we were yet sinners Christ died for us!"
Romans 10:13 "Whoever will call on the name of the Lord will be saved!"
Romans 10:9"If you confess with your mouth Jesus as Lord, and believe in your heart that God raised Jesus from the dead, you shall be saved.."
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  #6  
Old 11-24-2010, 10:22 PM
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Re: heavy .223 bullets in 1-12 twist

I think that at 500+ yds a 69gr hpbt is about as light a bullet as I have had consistency with wind and all. 600 yds the 77gr and heavier. A 1:12 in my experience really performs well in the lighter weight bullet . If you really want to get the edge under control think about a 1:7 if you need to shoot the heavier bullet if you want to get into the 105's a 1:6.5

Its a lot easier going to a lighter bullet with a fast twist barrel than a heavier bullet with a slow twist and you may powder a lighter bullet if you really crank it but I never saw but a few do it.
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  #7  
Old 11-24-2010, 11:54 PM
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Re: heavy .223 bullets in 1-12 twist

guess I'll try some 60 grainers and maybe some 68's and see how it goes. I think if I want to shoot 105 grain bullets i'll stick to my .243
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Romans 3:23 "For all have sinned and fall short of the glory of God."
Romans 6:23 "The wages of sin is death but the gift of God is eternal life through Jesus Christ our Lord."
Romans 5:8, "God demonstrates His own love for us, in that while we were yet sinners Christ died for us!"
Romans 10:13 "Whoever will call on the name of the Lord will be saved!"
Romans 10:9"If you confess with your mouth Jesus as Lord, and believe in your heart that God raised Jesus from the dead, you shall be saved.."
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