Modern Firearms are defined by the ATF as firearms built after 1898.
Compare“Walther Arms 2849313 PDP F-Series 9mm Luger 15+1 3.50" Black Steel Barrel, Black Optic Ready/Serrated Slide, Black Polymer Frame w/Picatinny Rail, Black Performance Duty Texture Grips, Ambidextrous” has been added to the compare list