Modern Weapons

1980 to Present
127 mm/64 LW (Italy)
Bonifaz (F110 Frigate) Class
 127 mm/54 Mark 45 Mod 2 (USA)
Álvaro de Bazán Class
 127 mm/54 Mark 42 (USA)
Baleares Class
 76 mm/62 Bazan/OTO
Almirante Cervera, Sante Maria and Descubierta Classes
 40 mm/70 Bofors Bazan
Small Warships
 20 mm/120 Meroka Bazan
Principe de Asturias, Baleares and Santa María Classes

Historical Weapons

Battleship Main Guns

15"/45 Mark B,
38.1 cm/45 Model 1926
Coastal Defense
 32 cm/35 Model 1880
Pelayo
 30.5 cm/50 Model VSM Mark H
España Class
 28 cm/35 Model 1883
Pelayo, Infanta Maria Teresa class and Emperador Carlos V
 24 cm/42 Guillen Model 1896
Cardenal Cisneros Class, Cristobal Colon (II) and Emperador Filippe II

Cruiser / Destroyer Main Guns and Battleship / Cruiser Secondary Guns

8"/50 Model 1924 Mark D
Canarias Class
 17 cm/40 SK L/40 (German)
Coastal Defense
 6"/50 Vickers-Carraca
Navarra, Mendez Nuñez and Principe Alfonso Classes
 15 cm/45 Ubts + Tbts KL/45 (German)
Coastal Defense
 15 cm/40 SK L/40 (German)
Coastal Defense
5.5"/50
Larger ships 1880s-1900
5"/38 Mark 12 (USA)
Ex-US Destroyers
4.7"/50
Alava Class
4.7"/45 Vickers-Carraca
Barcaiztegui Class
12 cm/45 Model 1918 (Italian)
Ceuta Class
 4.7"/45 Mark IX (British)
Churucca and Alsedo Classes
 4.7"/45 Mark F
Canarias and Mendez Nuñez Classes
 10.5 cm/45 SK C/32 (German)
Almirante Cervera, Eolo and Canalejas Classes
 10.2 cm/45 Models 1917 and 1919 (Italian)
Huesca Class
10.2 cm/45 Mark L
Cervera and Alsedo Classes
10.2 cm/40 Mark K
Dato and Sotelo Classes

Smaller Caliber and Anti-Aircraft Guns

8.8 cm/76 SK C/32 (German)
Navarra Class
 8.8 cm/45 Flak L/45 (German)
Mobile Artillery and Coastal Defense
 3"/50 Mark 33 (USA)
Frigates in the 1950s
 3.7 cm/83 SK C/30 (German)
Most Ships after 1935
 2 cm/65 C/30 (German)
Many Ships 1940s