I think I've gone overboard. 
From top to bottom.
43C .22 LR
642 .38 spl. +P Performance Center
442 .38 spl. +P No Lock
442 .38 spl. +P Lock (but deactivated)
60 .38 spl. early 1983
340PD .357 Lock, but waiting on the plug
640-1 .357
36 .38 spl. 1972 Sq. Butt

From top to bottom.
43C .22 LR
642 .38 spl. +P Performance Center
442 .38 spl. +P No Lock
442 .38 spl. +P Lock (but deactivated)
60 .38 spl. early 1983
340PD .357 Lock, but waiting on the plug
640-1 .357
36 .38 spl. 1972 Sq. Butt
