Sorry, micrometer read .398. And it was the brass. RP from I believe remington UMC loads. He got the box of 250 for $87. I loaded the same .398 HP in a Winchester piece of brass with the same settings...measurement before crimp, 1.086. After crimp, 1.086. After chambering, 1.086. Perfect. I didn't think of the brass as this is the first time I've ever strayed away from Winchester or Federal. Thanks guys. Just saved me a lot of anger and material.
Charlie
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