Otobreda 127/64

The Oto Melara 127/64 Lightweight (LW) naval gun mount is a rapid fire gun mount suitable for installation on large and medium size ships, intended for surface fire and naval gunfire support as main role and anti-aircraft fire as secondary role. The compactness of the gun feeding system makes possible the installation on narrow section crafts.

127/64 Lightweight Naval Gun Mount[1]
FREMM Bergamini F590 with 127/64
TypeNaval gun
Place of originItaly
Production history
DesignerOto Melara
ManufacturerOto Melara
VariantsOtobreda 127/54 Compact
MassEmpty: 17 t (37,000 lb)
Barrel length320 in (810 cm)[1]

Shell127 mm (5.0 in)
Shell weight29 to 31 kg (64 to 68 lb)[1]
Caliber127 mm
Rate of fire32 rpm[1]
Muzzle velocity808 m/s (2,650 ft/s)[1]
Effective firing range30,000 m (33,000 yd) VULCANO: 70,000–120,000 m (77,000–131,000 yd)
Maximum firing range120 km (75 mi)[1]
External image
Hi-res image of Oto Melara 127/64
Publicity shot of the Oto Melara 127/64

The gun can fire all standard 127 mm (5 inch) ammunition including the new Vulcano[3] long range guided ammunition.

Modular automatic feeding magazines allow the firing of up to four different and immediately selectable types of ammunition; the magazines (four drums, each with one shell ready to fire and 13 other ammunitions on store) can be reloaded while the mount is in operation.

An ammunition manipulator system is available to transport projectiles and propelling charges from the main ammunition store to the feeding magazines, which are automatically reloaded. Ammunition flow is reversible. Rounds can be automatically unloaded from the gun. Digital and analog interfaces are available for any Combat Management System, also according to COBRA protocol.

The 127/64 LW naval gun mounts includes a Vulcano module, which acts twofold:

  • Programmer for ammunition's fuse and guidance system
  • Mission Planning and Execution for Naval Fire Support Action (firing solutions, selection of ammunition, definition of trajectories and firing sequences, ballistic computations accounting for ammunition type, etc.), as a standalone or in interaction with ship's Network Centric System


Current operators


See also


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