[Simlasa]

Sounds like a good reason to carry a knife...

Those historical notes are interesting... but I don't think they'd come up in a game all that much unless you chose to focus on them.
I wasn't just referring to old West supplements though...
That kind of detail about guns, or other weapons, starts to remind me of Phoenix Command and my eyes begin to glaze over with the thought of keeping track of it all.
Mind you, I was into getting all the PC books, 'back in the day', and reading through them (even playing games a few times)... but nowadays the stuff I want to play just doesn't care about that level of 'realism' or 'historical accuracy' in regards to the weapons.
I think Leading Edge tried to some of the same detail work with melee weapons in the Morningstar Missions book... and I don't really care enough any more to need a bunch of minute variations on swords either.

Just a matter of taste though...