Originally Posted by
charlie brown
Umm...
Last I checked the minimum in WY is .230- .243 and 6mm cartridges are legal.
I was stand to be corrected . . . looked it up again and here is the 2012 regs 'Wyoming statutes authorize the use of a firearm that has a barrel
bore diameter of at least twenty-three-hundredths (23/100) of an inch and
is chambered to fire a center-fire cartridge not less than two (2) inches in
overall length, including a soft or expanding point bullet seated to a normal
depth'