Modern Firearms are defined by the ATF as firearms built after 1898.
Compare“Christensen Arms 8010622200 Ridgeline FFT TI Full Size 6.5 PRC 3+1 20" Stainless Threaded Barrel, Drilled & Tapped Aluminum Receiver, Black w/Gray Accents Fixed Sporter Carbon Fiber Stock, Right Hand” has been added to the compare list