The Tsar Cannon (Russian: Царь-пушка, Tsar'-pushka) is a large early modern period artillery piece (known as a bombarda in Russian) on display on the grounds of the Moscow Kremlin. It is a monument of Russian artillery casting art, cast in bronze in 1586 in Moscow, by the Russian master bronze caster Andrey Chokhov. The Tsar Cannon is made of bronze; it weighs 39,312 kilograms (86,668 lb)[3] and has a length of 5.34 m (17.5 ft).[4] Its bronze-cast barrel has an internal diameter of 890 mm