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Posted By: Prwlr 243AI - 10/22/16
The 243 has a history of pressure spikes. Does changing to AI improve this behavior?
Posted By: Jim in Idaho Re: 243AI - 10/22/16
Yes. IME it will also reduce throat erosion a bit - not enough to get real excited about but it does help.

And it definitely reduces the need for trimming. I finally retired a batch of cases after 25 firings. They were trimmed on their 2nd firing to a nominal 2.035" and never needed trimming after that. When I retired them most were in the 2.038-2.040" range.
Posted By: Talus_in_Arizona Re: 243AI - 10/22/16
Originally Posted by Jim in Idaho
Yes. IME it will also reduce throat erosion a bit - not enough to get real excited about but it does help.

And it definitely reduces the need for trimming. I finally retired a batch of cases after 25 firings. They were trimmed on their 2nd firing to a nominal 2.035" and never needed trimming after that. When I retired them most were in the 2.038-2.040" range.


Jim, did you get your money's worth? smile
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