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View Full Version : Molds for .40 S&W ? .400 or .401



Sig shooter
04-26-2008, 05:50 PM
My lee sizer is stamped .401 ,, they come out .400 . Three different mics all measure .400 . I have two star dies at .400 / .4005 , still ends up at .400 . In the bore they seem loose , I think a primer could drive them 5 " . They shoot alright

My store bought .40s are larger diameter ? maybe the .400 is used in glocks .

Still confused , what numbers do you get .

Lloyd Smale
04-26-2008, 06:18 PM
ive allways used 401s in mine and if they will function 402s