cabelas top shot elite pc use sensorbar crosshair?

i have got to use all the buttons,dpad and thumbsticks of the "cabelas top shot elite" lightgun though the "Xbox 360 Wireless Gaming Receiver"
except the sensorbar crosshair can i be able to use it on pc somehow?

ps. using joytokey (http://www.oneswitch.org.uk/2/I/JoyToKey/JoyToKey.htm) cant find the axis for the crosshair at all.

any suggestions?