Modern Firearms are defined by the ATF as firearms built after 1898.
Compare“FN 66101650 509T Bundle Full Size Frame 9mm Luger 10+1 4.50" Black Steel Threaded Barrel, Black Optic Ready/Serrated Stainless Steel Slide, Black Polymer Frame w/Picatinny Rail 5 Magazines/Case” has been added to the compare list