This Smith & Wesson Model 10-5 with serial number D515202 was most likely manufactured in the late 1973 time frame. The “D” prefix serial range from D510001–D659901 is generally associated with that production period.
That places your revolver in the classic era of police-service Model 10s.
A few things the gun likely has:
- K-frame, 6-shot revolver
- Chambered in .38 Special
- Carbon steel construction
- Fixed sights
- A tapered or barrel




