Help on Model 34-1 age please

[rog8732]

Thanks for the help.

A MDL 34-1, blue 2 1/2 inch, adjustable rear sight
Serial M1827XX

 

[Twiki357]

SCSW shows M100000 to M130000 = 1978-1979

 

[wetdog]

SCS&W 3rd edition has 1981. M160001-M193000.