Do you understand the reason I used 'practical' was because I was told that it was something nefarious?
Yes. I am pointing out that you were not out of line at all.
HLL, Go here for the best source for information on the .50 BMG round and rifles (and pistols) that shoot it...
http://www.biggerhammer.net
There is a forum there that has some of the most knowledgable people on the planet when it comes to the .50 BMG.
Mike