the only air line option i can think of is to run macro line from a 90 degree fitting from the gun to an asa and then run a remote from there. then for reloading get a stick feed tube.
stick feed example
http://www.spyder.tv/forums/showthre...=13730&page=52
macro line example
http://www.spyder.tv/forums/showthre...=13730&page=23 (instead of running it to a stick i'd run it to a duckbill)