Enhanced
45 Smith and Wesson
smith and wesson.
No engineering changes.
Most likley an assembly number.
No engineering changes have been made.
In this forum's context, Smith and Wesson, Target Sights.
1961
Usually it means "Smith & Wesson"
I assume you mean Smith and Wesson. If it is a .22 caliber S&W revolver, yes.
Military and Police
A weapon that is chambered in 40 S&W
possibly the serial number....