96 versions are the same size
97 are a bit longer
95 is a bit shorter
The CF is a generational marker (CF is newer than CP); CF is 'cold forged'.
A is a revisin marker, CF, ACF (2nd gen) --> CP, ACP, BCP, CCP (generations of earlier ones)
The A(CF) revision has a stamped 'S' logo+usa, the original (CF) had laser marks only.
There might be some very modest revision beyond that, but you'd need an expert.