Modern Firearms are defined by the ATF as firearms built after 1898.
Compare“CZ-USA 91732 A01-SD 9mm Luger 19+1 4.93" Blued Match Grade Bull Barrel, Blued Optic Ready/Serrated Steel Slide, Blued Steel Frame w/Beavertail, Black Checkered Polymer Grip” has been added to the compare list