In the 1990s, Dan Wesson tried to increase the performance of a .44 revolver beyond the level of the .44 Magnum: the .445 Super Magnum with an extra-long case was born. all4shooters.com was on the range with the Dan Wesson and a Ruger Super Blackhawk, and compared both cartridges. Also, what influence do barrel length and barrel gap have on muzzle energy?