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Load for a 280 AI

 
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  #1  
Old 09-07-2010, 07:06 PM
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Location: N. Wilkesboro, NC
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Load for a 280 AI

I just built a new 280 AI, need some help with the perfect load, with a 140gr. bullet. Any help would be appreciated.
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  #2  
Old 09-08-2010, 09:03 AM
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Re: Load for a 280 AI

I ran 64g H4831 with a CCI BR primer and a 140g Ballistic Tip for..... YEARS.
Worked well on deer.


dave
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  #3  
Old 09-08-2010, 05:42 PM
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Re: Load for a 280 AI

Do you know what your FPS was and what kind of groups were you getting. Can you give me your barrel length and twist. Thank you, Jerry
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  #4  
Old 09-08-2010, 07:14 PM
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Re: Load for a 280 AI

It was a 280 AI built by Nelson Berger.
M700 Action
Douglas No4 SS air gauged finish length at 24 1-10 twisted.
McMillian GP/HTG.
1.5-6x42 S&B 4a reticle.
Neil Jones worked over M700 factory trigger.
Build date would have been the summer of 1985
I used it the following season and ran it for about the next 15 years or so.
It was a soild MOA or better rifle.
In other words if you could get any kind of a decent rest even in the field.
It shot very well.Shot many 4 inch 5 shot groups prone off the ground,in the mud,at 400 yards.
MV was 3140fps
I always ran Rem cases and sorted the crap out of them.
On deer I was pretty happy.Anything I hit square never got away.
Eventually the barrel got rough and fouled alot.I retired it.But I've never rebuilt it.
I figure ill be buried with it.
Best big game rifle I've ever had.


dave
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  #5  
Old 09-09-2010, 08:38 PM
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Re: Load for a 280 AI

I am putting the finishing touches on a load for my custom 280AI. I am using Nosler brass, Fed 210 primers, 140gr Nosler accubonds seated 0.100" off. With 58.5gr of H4350 I am getting AV of 2260fps with a 0.4" - 0.6" group at 100yds. 25" Lilja barrel. I still see no pressure signs, but I think that is fast enough.
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  #6  
Old 09-09-2010, 09:02 PM
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Re: Load for a 280 AI

Merll, was that fps 2260, or 3260. Thank you, Jerry
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  #7  
Old 09-09-2010, 09:07 PM
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Re: Load for a 280 AI

Dave, thank you for the info. My rifle is a 700 action that has been blue printed, the barrel is a Shilen 27" with a 10 twist, h-s precision stock.
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