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

I found it not possible to operate the pushbutton with my solid hand holding the stock and tough to operate Along with the weak hand.I then took the gun on the range to qualify yet again. Everytime I fired, the magazine would drop out on the very first shot.I have one,000+ rounds by means of utilizing a range of ball & HP ammo without a single misf