The 5-inch (127 mm)/54-caliber (Mk 45) lightweight gun is a U.S. naval artillery gun mount consisting of a 5 in (127 mm) L54 Mark 19 gun on the Mark 45 mount. [1] . It was designed and built by United Defense, a company later acquired by BAE Systems Land & Armaments, which continued manufacture.

2021年9月20日 · Type Fire: 16-20 rounds per minute automatic, conventional ammunition. Magazine Capacity: 600 rounds conventional for Destroyers; 1200 rounds conventional for Cruisers. Platforms: MK 45 MOD 1...

5"/62 (12.7 cm) Mark 45 Mod 4 on USS Winston Churchill DDG-81. This latest version of the Mark 45 gun mount was designed to be used with the Extended Range Guided Munition (Mark 171 ERGM) in order to provide over-the-horizon range and improved lethality.

Fully-automatic naval gun mount employed against surface (Anti-Surface Warfare - ASuW), air (Anti-Air Warfare - AAW), and land attack (Naval Surface Fire Support - NSFS) targets. The MK 45 gun...

Major upgrades of the Mk 45 Mod 4 include a 62-caliber barrel, strengthened gun and mount subsystems, advanced control system enhancement, and a reduced signature, low maintenance gun shield. The Mk 45 Mod 4 provides NSFS range of more than 20 nautical miles (36 km) with the Navy's new 5-inch Cargo projectile and an improved propelling charge.

Remote Round-to-Round Selectivity — The remote round-type selection feature of the Mk 45 Mod 4 naval gun system allows Fire Control Systems (FCS) operators to select and fire different round types from the loader drum without Electrical Panel 2 (EP2) operator intervention.

Fully automatic, this lightweight gun system offers significant improvements in reliability and maintainability over the previous 5"/54 (12.7 cm) Mark 42 gun systems. The mount is unmanned above deck and all mechanisms have been greatly simplified.

Range is more than 13 nautical miles and can fire 16-20 rounds per minute. Each magazine has a capacity of 475-500 rounds. The Mark 45 has been in service since 1971 witht the US Navy and Coast...

The 5-Inch/54- caliber (Mk 45) lightweight gun is a modern U.S. naval artillery gun mount consisting of a 5-inch (127 mm) L54 Mark 19 gun on the Mark 45 mount. [1] . Originally designed and built by United Defense, it is now manufactured by BAE Systems Land & Armaments after the former was acquired.

The Mk.45 Mod. 2 (5-inch/54-caliber) lightweight gun is a modern U.S. naval artillery gun mount consisting of a 5-inch (127 mm) L54 Mark 19 gun on the Mark 45 mount. Originally, the gun was designed and built by United Defense, it is now manufactured by BAE Systems Land & Armaments after the former was acquired.