500 JRH or 475 Linebaugh in a rifle will produce about 1700 FPS with 425 grain hard cast bullet even faster with a lighter bullet. They are 1.4” cases or the 1.6” cases could be used, which in the case of the 50 cal would be the 500 S&W.



I got banned on another web site for a debate that happened on this site. That's a first