Using SPFix

[Imp]

The other thing if you are going to do civil war concerning units. Have no real idea but muskets less accurate plus reload time 2 shots a turn would have to be the max & thats if they can reload quick. The only other way around it is to increase all movement by 50% effectivly increasing the game turn time by 50%.
Sorry to be negative but just a thought its geared to modern warfare & read a post somewhere saying would not even handle WW1 well. Yes they could get off more than 2 shots in a turn just like a WW2 squad could fire more than 4 on average but thats how the mechanics work as other factors apply. In fact what you want is a shorter turn & they can perform 2 of 3 actions. fire, reload, 1hex move, or possibly fire & reload or move. The idea is to get one lot firing while second reload which is I think how they did it. Doing like this hand to hand would be quicker than firing so if you could get close probably more deadly as more attacks. Because of this thinking about it I would adjust the map scale as by the time in range of muskets probably not far to close combat.