No, the .600 Nitro Express is more powerful. Also, there is a .700 Nitro Express round that is designed for a rifle, but there is one handgun that will fire it.
Dirty Harry used a 44 Magnum in his words "The most powerful handgun in the world." Specifically, it was a Smith and Wesson Model 29 in a .44 magnum. In addition, it is not the most powerful handgun in the world (not even at the time of filming.)
smith and Wesson (smith & Wesson) and Sig-Sauer
Less than 100 to over 1000 depending on specifics.
It was a Smith and Wesson 44 Magnum "The most powerful handgun in the world" according to Harry.
I purchased a used Smith & Wesson 4013 for $350.00
Smith and Wesson 500
Does not exist.
Yes they have made them.