Progressive OAL consistant?

BCboy

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Duncan BC
I am loading 9mm on my loadmaster and am getting about 10thou difference in OAL. I have checked the setup over and over and am useing the same pressure every stroke, I cant figer it out . I am useing montana gold 124's FMJ
any one else have this problem? I guess all thats left is to mic a few bullets to see if they are the same length?
any help would be great
 
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