No
It doesn't have any external safety.
Yes
The user.
Smith and Wesson was sold to the firm Saf-T-Hammer,a Arirzona based safety and security company in 2001.
No
Yes. Engage the safety.
No
Revolvers do not have safetys
no it does not. that's why the trigger pull is so hard..
The shooter and the fact it is DA
Yes, it's called the operator.
Safety measure