I have a 3” LS 65-5. I have looked online to see what “upgrades, improvements” the -5 has compared to the -1 through 4’s and beyond. I was not able to locate anything in a quick search. Does anybody have 65 variation data?

Thank you

Get yourself a copy of the Standard Catalog of Smith & Wesson, 4th edition. It has all the info you seek.

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FBINA, 204th Session

65-1 1972 Introduction
65-2 1977 Change gas ring from yoke to cylinder
65-3 1982 Eliminate cylinder counter-bore and pinned barrel
65-4 1988 New yoke retention system for 4" square butt
65-5 1988 New yoke retention system for 3" round butt; 1994 Change extractor, synthetic grips; 1997 Change thumb piece / ship with Master trigger locks; Change to MIM trigger
65-6 1998 Change to frame design to eliminate cylinder stop stud; change to MIM hammer with floating firing pin.

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