Thanks HA. Yes, we have been keeping an eye on the federal legislation. They basically want to classify 50 cals as "Destructive Devices." Hell, isn't a car a destructive device? A good place to keep up on the legislation is
http://www.FCSA.org , the 50 Caliber Shooters Association.
I checked the link you provided but the query didn't go thru. See
http://thomas.loc.gov/ and then search for S505.
Thanks again,
Jolynne