I took my 6/06 to Sonora several times. Yeah running something like a cat can be an issue. I don't worry tons about it but know plenty of folk who do...

Going into Sonora you could run into issues with 7/08 brass and a 7/08 AI stamp on the tube as well.

Dober

"True respect starts with the way you treat others, and it is earned over a lifetime of demonstrating kindness, honor and dignity"....Tony Dungy