I'M with Feltwad on this one. Find yourself an English Live Pigeon Gun.
My Stensby of Manchester Percussion Never let me down.. Have a few bits
of Gold,Silver & bronze to proove it..12br 34"Tube, 23/4 drs Swiss 2, card over powder 1/2" fiber, 1/16" card , 11/8oz 8's with 1/16" over shot...