Originally Posted by
KevH
I know MIM is fine for many, but I don't like it in my S&W revolvers if I can help it. I prefer the pre-MIM guns so it would have to be before 64-6 (they changed the frame and some other features with that variation as well).
Here's a list:
Model 64 Military & Police Stainless, .38 Special
-n 1970, Introduction, 4” tapered barrel, Magna stocks, flash chromed hammer & trigger.
-1 1972, 4" Heavy barrel introduction, made for Oklahoma Highway Patrol, .357 Magnum; later became the M-65.
. . 1973, Heavy barrel only.
-2 1977, Change to put the gas ring from the yoke to the cylinder on 2" versions.
-3 1977, Change to put the gas ring from the yoke to the cylinder on heavy barrel versions.
. . 1982, Delete pinned barrels.
-4 1988, New yoke retention system/radius stud package/hammer nose bushing/ floating hand/on 2" tapered barrel version.
-5 1988, New yoke retention system on 3" & 4", hammer nose bushing, floating hand.
. . 1991, 3" heavy barrel became standard production.
. . 1994, Change star extractor, change to synthetic grips.
. . 1995-96, Delete square butt model.
. . 1996, Begin shipments in blue plastic cases.
. . 1996, Serrated backstrap & forestrap on RB frame for about 18 months, then discontinued.
. . 1997, Change thumbpiece/ship with Master trigger lock/change to MIM trigger.
-6 1998, Change frame design: eliminate cylinder stop stud, change to MIM hammer with floating firing pin, change internal lockwork.
. . 2001, Ship with fired case.
-7 2002, Introduce internal key lock system.
-8 2004, New two-piece barrel design