Ah, an oversight on my part I’m afraid. I’ll make the compound/modern crossbow variants accurizable with the firearm kit when I get a chance.
Yes and no. Crossbows are far more powerful than bows and modern/weaker ones have comparable rates of fire. In medieval terms a crossbow is easier to use because you load it, point, and shoot, but accuracy isn’t a big concern when there are thousands of enemies to hit. Compared to bows where some decent skill is required just to get the thing to full draw. In Cataclysm circumstances where you likely want to hit a single enemy 50m away, it would require as much skill as, if not more, than firing a rifle.
Very common suggestion, I may even put in a Github issue sometime to see if someone feels like implementing it.