The Gonzalez Hontoria de 16 cm mod 1883 was a Spanish naval gun developed in the late 1800s that armed a variety of warships of the Spanish Navy during the Spanish–American War.
They were produced by the Arsenal de la Carraca in Cadiz and the Royal Ordnance Works at Trubia in Asturias.
Six guns removed from the Reina Mercedes found a second life as Coastal Artillery defending Santiago Harbor, Cuba.
A shell from the Socapa battery slightly damaged the USS Texas during the Battle of Santiago de Cuba.
[3] The guns used separate loading, bagged smokeless powder charges weighing 29 kg (64 lb) and projectiles.