Modern Firearms are defined by the ATF as firearms built after 1898.
Compare“Sig Sauer RSPEAR76216B MCX Spear 7.62x51mm NATO 20+1 16", Coyote, Magpul SL-K Folding Stock, OEM Polymer Grip, SLX/SLH QD Flash Hider, Ambi Controls, Adj. Gas Block” has been added to the compare list