Finally fired my 9 in a 40 and there was no hiccups, just smooth.
I then fired a S&W threaded 9 barrel and the group was tighter, again no problems. Finally I fired my new 40S&W V Tech and the groups were even tighter! I can't wait to try the threaded 9 barrel in the V Tech. Sorry no photos, don't know how!
I have also ordered a S&W barrel 4.5 inch. Back ordered!