Modern Firearms are defined by the ATF as firearms built after 1898.
Bolt Action, 20", 25 Creedmoor
Bolt Action, RIFLE, 22"
Semi-Auto, 18", .223 REM/5.56 NATO
Semi-Auto, 9", .300 AAC Blackout
Semi-Auto, 10.3", .223 REM/5.56 NATO
Semi-Auto, Flat Dark Earth Cerakote, 14.75"
Semi-Auto, Black, 16''
Semi-Auto, Black, 16''
Semi-Auto, Black DLC, 3.1"
Semi-Auto, 4'', .22 LR
Semi-Auto, 4.4'', 9mm