Railgun

The railgun is one of the imperial gard's tank troops most dreaded weapon. It uses magnetism accelerated ammunition and is aimed at estroying heavy armoured vehicles. It can be used in conjunction with laser sighting that make it even more accurate. 2 vehicle use the railgun: The Hammerhead antigrav the XV88 Broadside power armour Railguns also exist in riffle version but isn't as relliable as the vehicle mounted version, sometimes killing the user (like the plasma gun for space marines).