HOW MUCH YOU NEED TO EXPECT YOU'LL PAY FOR A GOOD S&W 640

I discovered it impossible to operate the pushbutton with my strong hand Keeping the inventory and tricky to do the job Using the weak hand.Exact Tale right here. Great luck and continue to keep us posted. Received mine from SW with new laser and base cause section. I similar to the gun but man, some a lemon.The rear sight is basic black, but serra