Originally Posted by crypto666
Having the gun mounted to the bike is not an ideal solution in my opinion, there is no good way to do it that I know of.
Scabbard mounted to the forks? Would be a lot easier with USD forks, but would work with conventional forks if you built stand-off so the forks wouldn't crash into the scabbard on compression. I've thought about how I'd want to carry a gun on a bike and that's how I'd do it.