I'm more than curious as to why you would want to do that.
Anyways....the get round. You have an option to create "stick sets" or cycle through stick sets. You could map keys on the keyboard or to your stick to allow you to go to stick set 2 gv. Once in the ack gun you would just press the key that would be or cycle to your gv stick set.
You'll find it in controller, key mapping.