I am today the happy owner of a pre lock 640-1. Serial Number is BUB49XX. Can anyone out there provide an approx. manufacture date? Thanks.

June - July 1995

Product code for these was 103690. In this era they typically came with Uncle Mike combat style grips.

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~ S&W aficionado in training ~

Thanks Sir. Yes its all original with the Uncle Mikes combat grips. Does anyone have a manufacture date???

Sorry I now see you did post the dates requested. Thank you!!!

I picked up a Model 640-1 just a couple of hours ago at my favorite LGS Serial Number is CAF76XX SCSW says Oct 2003 for mine. It's my first .357 Magnum "J" frame. I shot 25 rounds of my hand loads through it a while ago,(1,000 fps 158 gr plated RN, AA#2 load and a 1,300 fps 140 gr FMJ, Blue Dot load). While recoil is a bit stout it's not unmanageable. I like it

De Oppresso Liber

I have a mod640 no lock SN BPM00xx looking for a approximate date it has a big F under the grip also a round sticker that has number 34 on it and some more numbers on the other side under the grip. thanks in advance.

I didn't see the "BPM" prefix in my Standard Catalog of S&W but will guess it'd be in 1993, judging by the similar prefixes which I did find:

1993 – BMC, BNW, BNZ, BNW, BPB, BPD, BPE, BPF, BPK, BPL, BPR, BPS, BPY, BRA, BRB, BRC, BRM

Supica, Jim,Nahas, Richard. Standard Catalog of Smith & Wesson (Standard Catalog of Smith and Wesson) (Kindle Locations 17054-17055). F+W Media. Kindle Edition.

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66/642/640/627/586/60/638/686

I have a 640-1 Pro with serial # starting CZZ. Does anyone have an idea what year approx it was made?

Tim