The Mark 45 manning includes one gun captain, one panel operator and four ammunition loaders, all located below the gun deck. The Mark 45 has a bore time of 0.02 seconds and has recoiled about 2 inches (5 cm) when the projectile leaves the muzzle.

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.

All Mk 45 naval gun systems provide ships with a reliable automatic weapon system against surface, land, and air targets. Highly accurate train and elevation response rates permit engaging these targets under all operating environments and sea conditions.

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. Modifications for structural improvements include strengthened trunnion supports and a lengthened recoil stroke to accommodate the higher firing energy ...

The 5"/54 MK 45 Light Weight Gun Mount (LWGM) is the Navy's primary anti-surface gun battery, and Naval Gun Fire Support (NGFS) weapon. When a target is within the engagement envelope, the 5" gun is significantly more economical than a guided weapon.

Dec 19, 2018 · Mod 4 – increase to 62 caliber; strengthened supports; longer recoil stroke; stealth mount cover. Note that the mount cover is just a weather covering and provides no protection from shrapnel. Thus, the mount is susceptible to destruction/disabling from simple shrapnel or …

It is designed to accommodate high-performance propelling charges and future full-length advanced munitions to achieve extended ranges. Manning – The fully automated AHS requires zero manning for gun loading operations. It features integrated/ automated interfaces with Mk 45 EP2 and fire control.

May 26, 2023 · Constructional sketch of a 14"/45 (35.6 cm) Mark 5 gun barrel after the A1 tube has been bored out. As built, the Mark 5 did not have a liner and instead the A1 tube was rifled. When this rifling became worn out, the A1 tube was bored out to remove the old, worn rifling.

The Mk 45 mod 4 includes a 62 calibers barrel, strengthened gun chamber, lengthened recoil stroke and an interactive touch-screen control system. The Mod 4 also includes a reduced radar signature and full compatibility for the ERGM family of munitions.

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.