Sun, 2017-11-05 23:35 — backdraft Electromagnetic Railguns - The U.S Military's future Superguns - 200 mile range Mach 7 projectiles Video of Electromagnetic Railguns - The U.S Military's future Superguns - 200 mile range Mach 7 projectiles I forgot to add a description! 4.666665 Average: 4.7 (3 votes)
