Yes BP would be great. Just let me know that they are BP rifles. It would be interesting to see if there are any major differences in the barrel sizes from BP to Nitro.

It would be great to get barrel diameters every couple of inches during the entire length of the barrel to get a real idea of profile but I figured I was already pressing my luck with the above

.

Thanks to those that have replied and to all those that I know are wanting to grab their measuring devices.

BB