Modern Firearms are defined by the ATF as firearms built after 1898.
Compare“B&T Firearms BT36045CT APC9K Pro 9mm Luger 30+1 4.30" Black Threaded Barrel, M-LOK Handguard, Coyote Tan Aluminum Picatinny Rail Receiver, Coyote Tan Polymer Grips, Ambidextrous” has been added to the compare list