cool, my new model s/n is from the 1st year 1973 that I obtained from a auction this past fall.
I aquired a 9mm cylinder from a nice lady on "gun broker" me, that I fitted to my "new" Blackhawk. I have not shot it before or after the fitting. I too have a number of 9mm that I got for a low price ($5.00 per 50rds at Bass Pro FMJ) I need to get out and try 4 of my newest guns and fit a old Weaver V22 scope on a old Winchester Mod 74 so........ I just need to get out more often!!! well, I'm jealous of your great ability to shoot!!! keep that up, gun control is a good thing!!!