ORIGINAL: Duckbutter48
Id prob go with a popular caliber since the ammo is cheaper and easier to obtain. 243, 308,7mm-08, 25-06, 270, 30-06 something like that.
You just named the 6 best cartridges, ever. And aint it odd that 3 are off the .308 case and 3 off the -06 case.