Modern Firearms are defined by the ATF as firearms built after 1898.
Compare“Rock River Arms 243A1534BT LAR-BT3 Predator HP 243 Win 20+1 20" Stainless Fluted Barrel, Black Billet Rec, OEM Operator CAR Stock & Operator Brake, 17" M-LOK Handgaurd, Hogue Rubber Grip” has been added to the compare list