Modern Firearms are defined by the ATF as firearms built after 1898.
Compare“IWI US M9ORP10FD MASADA 9mm Luger 10+1 4.10" Black Button Rifled Steel Barrel/Black Optic Ready/Serrated Slide/Flat Dark Earth Polymer Frame w/Picatinny Rail/FDE Polymer Grips Ambidextrous” has been added to the compare list