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rechambering????

 
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  #1  
Old 12-03-2012, 01:19 AM
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Join Date: Jul 2008
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rechambering????

Can I turn a weatherby 257 into a 280AI just by replacing or rechambering the barrel? Is bolt and magazine going to work. If not what would be the closest and easiest to make a 280AI. Other than a 280 rem, don't have one of those.
Thanks
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  #2  
Old 12-03-2012, 08:21 AM
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Join Date: Dec 2008
Location: Great Falls, MT
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Re: rechambering????

Quote:
Originally Posted by pdkillr View Post
Can I turn a weatherby 257 into a 280AI just by replacing or rechambering the barrel? Is bolt and magazine going to work. If not what would be the closest and easiest to make a 280AI. Other than a 280 rem, don't have one of those.
Thanks
Best and easiest is to re-barrel (not re-chamber a non .284 barrel) to .280AI, next is to re-chamber a .280 to .280 AI.

Look at the first sticky on this forum on bolt face diameter courtesy of JE Customs.
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  #3  
Old 12-06-2012, 11:47 AM
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Re: rechambering????

Bolt face is different .532 bolt face for H&H based cartridges - .257 Weatherby Magnum; .473 bolt face for -06 based cartridges - .280 Remington or .280 AI.

You could rebarrel with a 7mm Remington Magnum or a 7mm Weatherby Magnum barrel (which are both .284 bore diameter just like the .280s).

To make your rifle into a .280 or .280AI you would have to replace the bolt and the barrel. That would not be cost effective in my opinion.
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