« Back to List

Mk-38 25mm Machine Gun System

The Mk-38 is a 25mm machine gun installed for ship self-defense to counter High Speed Maneuvering Surface Targets (HSMST). It is a single barrel, air cooled, semi- and full-automatic gun weapon system.

Mk-38 Mod.1 25mm Machine Gun System

Mk-38 Mod.1 25mm Machine Gun System


Designed and assembled by: Crane Division, Naval Surface Warfare Center


Gun: M242 Bushmaster 25mm Chain Gun
Rate of Fire: 180 rounds per minute
Effective Range: 2 700 meters 2 950 yards
Modes of Fire: single shot, burst mode, automatic
Guidance System: manually trained and elevated


1986 - Date deployed

Mk-38 Mod.2 25mm Machine Gun System