It's been some years back that I was in a sporting goods shop in the Portland , Oregon area. A young man walked up to the counter and wanted to purchase a box each of of 220 Swift, 257 Roberts, .270 Winchester, and 300 H&H Magnum ammo, (to the best of my recollection). The clerk mentioned that he must have quite an array of firearms. The young man replied no that he had just one rifle and that was a Winchester Model 70 and he saw in an add that it was chambered in all of those calibers plus a few more! The clerk told him that was all of the calibers available in that rifle individually but not altogether. I left when the argument started.
