https://archive.today/20130417004410/http://www.eng.ktrv.ru/news/publ/830.html?PHPSESSID=b55062d53f861256438076e6c6d01f44 ] http://www.dubnapress.ru/social/9370-2019-07-09-12-19-24 Warhead weight has been reduced to 500 kilograms to improve range.