> Yes, I already did all of this, but what I said is exactly your second case that mame
> see only one trigger, both are GUN 1 BO. Same reading for both guns. GUN 1 BO and GUN
> 1 BO, mame only see one trigger.
You already may have tried this, but are your guns connected to separate USB ports? If so, does the Aimtrak utility show two different device ID's? If so, try deleting your Mame.ini before starting mame (this will reset Mame to the default configuration) and then go into setup and try again.