Modern Firearms are defined by the ATF as firearms built after 1898.
Compare“FN 66100745 509 Midsize Tactical 9mm Luger 4.50" Threaded Barrel 15+1 Or 24+1, Flat Dark Earth Polymer Frame With Mounting Rail, Optic Cut FDE Stainless Steel Slide, No Manual Safety, Optics Ready” has been added to the compare list