686-4 har full underlug.
Her er forskjellene på 586 og 686 sine "dash nummer".
686 no dash, 1981 Introduction model
686-1, 1986 radius stud package, floating hand
686-2, 1987 changed hammer nose, bushing and associated parts
686-3, 1988 new yoke retention system
686-4, 1993 change rear sight leaf, drill and tap frame, change extractor, Hogue grips
686-5, 1997 change frame design to eliminate cylinder stop stud, eliminate serrated tangs, MIM hammer and trigger, change internal lock.
686-6, 2001 internal lock
686-7, 2003 Performance Center .38 Super, 6-Shot unfluted cylinder, 4" barrel, Stainless Steel, 250 Made