The collection consists of more than 800 gun barrels, as well as a collection of accessories that serve to their appropriate handling and use. The pieces cover a chronological frame going from the first cannons, 14th and 15th centuries, to the present day. Being the most relevant groups the cast iron artillery collection from the first period, bombards, or “cerbatanas” and “pasavolantes” (both are a kind of culverin with a small caliber), etc.; the production of bronze of the Modern Era from the German furnaces of Loeffler; or the 18th century service artillery from the arsenal depots of Seville and Barcelona. It is also worth mentioning the large amount of foreign artillery pieces captured in combat, such as the prominent French horse artillery team from the Spanish War of Independence, or the cannons of assorted origin from the War of Morocco 1859-60.
There are numerous and interesting pieces present from 19th century, including the first rifle barreled and breech-loading artillery pieces, or the group of Carlist guns, of own manufacture or purchased models, such as the Whitworth type. There are also guns used overseas, and other captured in Cochinchina or the Philippines, known as Lantakas.