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Discussion Starter · #1 ·
is it possible to deprime and resize the 380 brass using the 9mm dies? to my understanding the 380 is also called 9mm short ,right. i am wondering if it would be like being able to use 38/357 dies to reload both of them.. anyone done this b4
 

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I have never tried it but your question made me think about it ... just pulled out the Lyman loading manual that was sitting here on the desk and see that the two have different measurements for the case ... the diameter of the 9mm is .391 while the 380 is .374. Also the cases have different measurements at the case mouth and rim. Since the 380 case is smaller in all dimensions than the 9mm, using 9mm dies might not allow for proper chambering in the 380 ... ???
 
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