ez answer, he shoots a double trigger like i do, back trigger first. open choke 1st close shot and as out going upland game bird gets out and a miss on 1st shot the front trigger for the longer 2nd shot. i have a DH 1 frame 12 ga at 6 lbs 10 ozs set up the same way,left barrel .005 rt .012. Oh, and as i type this i am at the Ford dealer in Concord N.H. wright now waiting on a oil change
scott