[Ozeanjaeger]

The "K" is relevant.
K-0100 - K16265 = 1980

K16266 - K75747 = 1981

K75748 - K9998 = 1982

 

[Ozeanjaeger]

That is a VERY nice revolver for your first one. I tend to buy the cheapest shooter I can find before buying a Colt Model I don't have. The temptation to shoot it is too great...