I slugged my friends 40 today and we found that the grooves measure at .391.
This explains the leading we get when using cast.
I am having him call the gun manufacture as that's a bit nuts.
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I slugged my friends 40 today and we found that the grooves measure at .391.
This explains the leading we get when using cast.
I am having him call the gun manufacture as that's a bit nuts.
Sent from my LGLS991 using Tapatalk
Yep thats .01 a little too small huh , That just dont sound right to be that small
40 s&w. Sorry
. Shouldn't the barrel be .400
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Yes , the cast bullets that I cast , they are at .401 , so something is not right
I was about to comment that .391" ID is a might small for a 40mm... :groner:
Yep, that would be a pretty extreme bottleneck case. :)Quote:
Originally Posted by nicholst55
We need to set up a category for Oerlikon and Bofors!