Modern Firearms are defined by the ATF as firearms built after 1898.
Compare“FN 66101013 502 MRD Full Size 22 LR 10+1 4" Black Target Crown Steel Barrel/Black PVD Optic Ready/Serrated Slide/Black Polymer Frame w/Accessory Rail/Black Textured Polymer Grips Ambidextrous” has been added to the compare list