* Super High Altitude Research Project* Space gun==References==== External links ==* Lawrence Livermore National Laboratory's gas gun* QuickLaunch, aka TekLaunch, plans to commercialize a 1 km hydrogen gun to launch fuel to low earth orbit
==Glej tudi==*Protimaterialna puška*Ostrostrelska puška==Reference====Bibliografija====Zunanje povezave==*Russian 14.5 mm antitank rifle PTRD-1941*The PTRD 1941