Modern Firearms are defined by the ATF as firearms built after 1898.
Compare“Glock UX4350201FR G43X Sub-Compact Frame 9mm Luger 10+1 3.41" Black GMB Barrel, Black nDLC Front Rail/Serrated Steel Slide, Black Polymer Frame w/Beavertail, Black Textured Grip, Ambidextrous” has been added to the compare list