pete53,
300 WinMag isn't even a medium bore, it's a small bore.
"..........Small-bore refers to calibers with a diameter of .32 inches or smaller. It may also refer to small-bore rifle competition. The medium-bore refers to calibers with a diameter between .33 inches up to .39 inches and large-bore refers to calibers with a diameter of .40 inches or larger..........."
Chew on that for a while, and let us know if you feel better, or worse........grin
