Lead bullet size ??

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Timothy

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Dec 27, 2002
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I’m about to load for a 10mm Witness. I will be using 155 gr. LSWC, 16 Brinell and will load on the light side for awhile till I get comfortable and things get broken-in a little. Would you recommend .400 or .401? Since I buy in 500 count I want to go with the best case scenario first.

Thanks in advance
 
I seriously doubt that the mesurements are within .001 anyway but i agree to go with th 401
 
The only way to be sure is to slug your particular barrel. You can get slugging kits from a variety of sources, or simply use a soft lead fishing weight or something close to size, perhaps some .44 caliber blackpowder balls.
 
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