My Standard Catalog of Smith & Wesson book doesn't specifically list the "ABR" prefix, but does have several other "AB_" prefixes around it. This indicates to me an approximate year of 1983 or 1984 for the year of your Model 60.
Any other numbers or marks are irrelevant/unknown to me.
__________________
66/642/640/627/586/60/638/686
Last edited by L-2; 10-10-2018 at 12:06 PM.
|