Thanks for the info. I am considering this. But I will be 67 in August and get around pretty good, but I do take medication that does not allow my heart to speed up much in reaction to exertion. In other words I'm good for covering ground, but no forced marches. The biggest caliber rifles available are .30-06 Weatherby Vanguard and an old Ruger 77 in .270 Winchester. I assume they are adequate? I'll be thinking about this and will be in touch.
