5.B.2.High-velocity gun systems (propellant, gas, coil, electromagnetic, and electrothermal types, and other advanced systems) capable of accelerating projectiles to 1.5 km/s or greater.
List
NSG – Nuclear-related dual-use equipment, materials, software and related technology (Part 2) – INFCIRC/254/Rev.13/Part 2
Note: This item does not control guns specially designed for high velocity weapon systems.