The barrel of a basilisk could weigh up to 1,800 kg (4,000 lb) and could have a calibre of up to 13 cm (5 inches).
[1] On average they were around 3 meters long (10 feet),[2] though some, like Queen Elizabeth's Pocket Pistol, were almost three times that length.
[4] In 1588 the Spanish Armada was equipped with many basilisks for their invasion of England with the intent of using them to besiege towns loyal to Elizabeth I.
Due to its large size, the basilisk fell out of favour of European generals, who preferred lighter, more accurate artillery in the late 16th century.
[6] A late example is the Maltese Gun, built in Holland in 1607 and, like many of its contemporaries, fitted with a replacement carriage during the Napoleonic Wars.