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Discussion Starter · #1 ·
I've been looking for a set of 280 Rem Ackley Improved dies and while there are some sets avaible I was wondering if its possible to use a chamber reamer to ream the dies as well as the chamber? Anyone had any experience with this sort of work? All feedback/information will be welcome. :)
 

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The die is supposed to size the case down from chamber dimensions a bit, so using the same size reamer defeats the purpose of the die.
 

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The die is supposed to size the case down from chamber dimensions a bit, so using the same size reamer defeats the purpose of the die.
A resizer die made with chambering reamer will not re-size the case, some reamers are made so that they require a neck reamer to finish off the chamber and make the leade, they can be used to make a neck sizer die. Notice I said make a die, out of steel that is then hardened. If you try and ream out a 280 FL sizer with a 280 AI chamber reamer, you will ruin the reamer, it cannot touch the hardened die. The only way to cut a die is to use a carbide bit, or diamond or some other exotic cutting material. I have enlarged the neck of numerous dies, to correct over working the necks of brass. I use a carbide bit, one for drilling glass, others have used Hi-Roc bits, they should work. Beware, there is alot of screaming steel, smoke and hot stuff flying when you do this, and you may break a bit or ruin a die. That being said I have always been able to complete the task successfully.
 

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perhaps the eaier route would be to simply buy a .280 AI die set..
 

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Discussion Starter · #5 ·
perhaps the eaier route would be to simply buy a .280 AI die set..
No doubt that it would be easier to buy the AI die set, but the awnsers are interesting and informative. :)
 
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