CONTENT PREVIEW
Infantry Weapons

Singapore Airshow 2018: ST Kinetics unveils speciality 40 mm ammunition

07 February 2018

ST Kinetics, the land systems and speciality vehicles arm of Singapore Technologies Engineering (ST Engineering), is expanding its portfolio of 40 mm ammunition with the counter-unmanned aircraft system (C-UAS) and the door-breaching grenades.

According to company specifications, the C-UAS grenade – which has an overall length of 125 mm and weight of 243 g – has been in development since 2017 and is specifically designed to defeat small, commercially available, multirotor unmanned aerial vehicles (UAVs).

ST Kinetics’ new 40 mm counter-unmanned aircraft system grenade disperses streamers to foul a multirotor drone’s propellers. (IHS Markit/Kelvin Wong)ST Kinetics’ new 40 mm counter-unmanned aircraft system grenade disperses streamers to foul a multirotor drone’s propellers. (IHS Markit/Kelvin Wong)

A typical package comprises the 40 mm C-UAS grenade and a rail-mounted programming unit, with the latter measuring 95 mm long, 45 mm wide, 60 mm tall, and weighing 350 g. The warhead carries a payload streamer, which is delivered into the flight path of a UAV and disable its propellers, forcing it to crash.

The programming unit, which is mounted via a MIL-STD 1913 accessory rail on a rifle or grenade launcher’s 3 o’clock position, features an integral laser rangefinder with a range of 500 m.

The C-UAS grenade is designed to compatible with a wide range of grenade launchers on the market, including the STK 40GL, HK69A1, M203, M79, AG36, MK13, M32A1, Milkor and Rippel Effect MGL. Launched at a muzzle velocity of 100 m/s, the round has a stated maximum range of 600 m, although Jane’s understands from an ST Kinetics spokesperson that the typical engagement range is around 200-300 m given the potential challenges of targeting small UAVs at further distances.

“[To increase success] we can program grenade bursts in three locations – what we call the ‘string of pearls’ – increase the coverage,” a company spokesperson explained to Jane’s . “For example, if a target is 100 m away we can set the rounds to burst at intervals of 90 m, 100 m, and 110 m to saturate a wide area with streamers.”

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