Drool factor is through the roof on this one! I gave up on trying to locate a A3 stock for the 53. So im just going to install a SB brace on the v53 and install a B&T stock on the 53K build. But I just sent off a Vector v53 to have a another barrel installed (for some reason it was cut in half) i really dont know any of the back story for sure. But that makes me curious why you looking for a HK smith to do some magic?