The older ones looked more "blued" than the newer ones that have a blackish finish. Also, the older ones had anodized grip frames, the newer ones a black painted look. A big difference I've noticed is the better fit of the aluminum grip frame in the older ones.
There are always exceptions... :wink:
PS: The SS pictured looks like a 5 1/2".
There are always exceptions... :wink:
PS: The SS pictured looks like a 5 1/2".