Either send it back to S&W or find a good gunsmith.
The user.
No
The shooter and the fact it is DA
Safety measure
Smith and Wesson Model No. 2
The frame size of a Smith and Wesson model 66 is K.
No such model listed in the Standard Catalog of Smith and Wesson. You will need to call the factory.
Smith&Wesson model 14
The smith and wesson model 18-3 was made from 1967-1976.
The Smith and Wesson model 19-5 was made from 1982-1985.
No
No