One explanation I was given for the variation in measurements, was that bores could be measured from top or bottom of the lands or bullet diameter could also be used. Effectively giving 3 different values for any given calibre. Apparently this goes even further with use of cast bullets.
Phil
Do you shoot .260 Rem ?
Moderator: dromia
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Re: Do you shoot .260 Rem ?
Mine is shown as .260.
Re: Do you shoot .260 Rem ?
I always get mine set to a generic calibre permission to aquire.... in this case 6.5 which should cover you for 260 rem or 6.5 Swede etc etc.