Internal Lock

[GSP Fan]

When was this added to new models and what was the reason? I'm sure it was the result of some type of law suit. S&W is the only manufacturer that I see this on, are there others? Please bear with me as I'm just trying to learn something here.

 

[s&wchad]

Plenty of reading material here > http://smith-wessonforum.com/search.php?searchid=13217890