SNT Dynamics, founded in 1959, has been performed a pivotal roles in defense of Sea, Air & Land of KOREA by supplying TRANSMISSION for tracked vehicle such as K200A1 APC, K21 IFV, K55A1 SPH, M109 family, K9 SPH and GUN & CANNON ranging from 12.7mm K6 Heavy Machine Gun, 20mm Gatling Gun, 30mm & 40mm Automatic Guns/Cannons. Recently, the automated 120mm Mortar System, more accurate and powerful to equipped with Fire Control System, has been successfully developed. It is delivered to Korean Army from 2021. In addition, SNT Dynamics has on developing the 40mm CTA(Cased Telescoped Ammunition) Gun and the 20mm Turreted Gun System for LAH(Light Armed Helicopter).

120mm Mortar System, KM120
The 120mm Mortar System, KM120 successfully performed the qualification and operation tests on the KSM120(120mm Self-propelled Mortar System, tracked vehicle) by DAPA (Korean Defense Acquisition Program Administration) and Korean Army from 2017 to 2019.
KM120 is designed to be integrated in any type of platforms such as tracked/wheeled vehicles, towed trailer and others with
a type of rifled, recoiled and mounted system.
a lightweight, modularized and compact weapon system.
KM120 features
To enable installation into low weight class vehicles, KM120 is equipped with a recoil braking system to reduce recoil force.
To reduce the reaction time and the manpower required for its operation, KM120 is equipped with a fully embedded Fire Control System(FCS).