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Jon, Consultant
Category: Firearms
Satisfied Customers: 1363
Experience:  Professional Gunsmith, Certified Police Firearms Instructor, Concealed Carry Instructor, Journeyman Machinist and Firearms Enthusiast.
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There are three numbers on my S&W .357, they are as follows:

Customer Question

There are three numbers on my S&W .357, they are as follows:
Can you tell me the significance of these numbers. They are located inside the revolver cylinder. Thanks a lot. Gary
Submitted: 1 year ago.
Category: Firearms
Expert:  Jon replied 1 year ago.

Hi Gary,

Thank you for the question. I will do my best to help. The first number CHD8395 is the serial number of your revolver. Smith and Wesson began transitioning to this serial number type ( three letter prefix followed by four numbers) in the early 1980's. The CHD prefix on your revolver signifies a production date of 1-29-2004 on this revolver. The 688-6 I believe is probably 686-6 if you look very close. The 686 is the model number of this revolver. The -6 signifies your revolver is the 6th variation of the Model 686. With each change of the design of the model 686 the suffix is numerically increased one number (686-1, 686-2, 686-3, 686-4 and so on). The 612 number is ***** likely a number used in the manufacturing process and has no significates that I am aware of. Let me know if I can be of any more help

Thank you,