ST Kinetics SAR 21
Country of origin



Chartered Industries of Singapore, now ST Kinetics and VT Systems


Tuck Wah Chee and Felix Tsai

Production began


Weapon type

Bullpup Assault rifle


5.56 x 45 mm NATO


Gas operated, rotating bolt

Overall length

805 millimeters

Barrel length

508 millimeters

Weight empty

3.82 kilograms

Magazine/Cylinder capacity

30 round STANAG Magazine

Cyclic rate

-450-650 rounds per minute

Maximum effective range

460-800 meters

Muzzle velocity

945-970 meters per second

The SAR 21 (Singapore Assault Rifle 21st Century) is a bullpup assault rifle designed and manufactured by Singaporean arms company ST Kinetics.


Developed in the 90s by ST Kinetics (formerly Chartered Industries of Singapore), Singapore was looking for a replacement to the out of date M16A1 that were in service since 1973. Given the option of either purchasing the newer M16A2 or creating their own rifle, they decided to create a weapon that would easily fit their Army's physical attributes, rather than off the shelf weapons. The SAR-21 is externally very similar to the Steyr AUG assault rifle. In 2010, an upgraded version of the SAR-21 was introduced, the SAR-21A, although the Singaporean Armed Forces have no plans to adopt it as of yet.

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