In the naval role, the M134D is utilized for force protection on U.S. and foreign blue water and riverine fleets, as well as fire support weapons on Special Operations boats. The Dillon Point Guard Naval Defense System was developed to provide protection against small Boat Born Improvised Explosive Devices (BBIED) and is currently in service with the US, UK, French, Italian, Colombian, and Peruvian Navies on a wide variety of Blue Water ships.

Dillon M134D and M134D-H applications include MK-5 Special Operations Boats,
Rigid Hulled Inflatable Boats, Riverine Vessels, Frigates, Destroyers, and other Blue Water Ships.