Underwater 'Kalashnikov': Russia showcases first ever amphibious assault rifle http://rt.com/news/underwater-gun-russia-debut-627/ Russian arms manufacturers have unveiled a new technological marvel – the world’s first ever machine gun capable of shooting both underwater and on land. The Russian Special Forces units will soon be armed with the new assault rifle. Designed by Russia's Tula Instrument Design Bureau the ‘ADS’ gun can shoot underwater using a special cartridge, which in size is suitable for the standard magazine case Kalashnikov assault rifle. To fire under water or on land, one