SAR 21
Country: 
SingaporeManufacturer: ST Engineering Land Systems (ex-ST Kinetics)
«Singapore Assault Rifle 21»
Assault rifleSingapore1999In service
5.56×45 NATO bullpup assault rifle, standard service weapon of the Singapore Armed Forces; integrated 1.5× optic, kevlar-reinforced polymer housing and a cheek-shield to deflect cases.
Assault rifle//Singapore
ID — SAR-21
Designation
SAR 21
ST Engineering Land Systems (ex-ST Kinetics)
Caliber
5.56×45 mm NATO
Community
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Data trust
- Reliability
- Unverified
- Sources
- Sources pending review
Identity
- Designation
- SAR 21
- Alias
- Singapore Assault Rifle 21
- Manufacturer
- ST Engineering Land Systems (ex-ST Kinetics)
- Country
- Singapore
- Year
- 1999
- Category
- Assault rifle
- Status
- In service
Ballistics
- Caliber
- 5.56×45 mm NATO
- Muzzle velocity
- 970 m/s
- Rate of fire
- ~600 rpm
- Effective range
- 460 m
- Maximum range
- 800 m
Dimensions
- Barrel length
- 508 mm
- Overall length
- 805 mm
- Empty weight
- 3.82 kg
Mechanics
- Operating system
- Gas-operated, long-stroke piston
- Bolt / action
- Rotating bolt
Feed
- System
- Caricatore amovibile STANAG
- Standard capacity
- 30 rounds
Fire modes
SafeSemi-autoAuto
Historical profile
Developed in the mid-1990s by ST Kinetics to replace the Colt-licensed M16S1 as the standard rifle of the Singapore Armed Forces.
Adopted in 1999, it introduces a bullpup layout with an integrated 1.5× optic in the carry handle, a laser-aided backup sight and a kevlar cheek piece around the chamber.
Exported in limited numbers and used as the base for a family of variants (LMG, sharpshooter, modular MMS).
Variants
SAR 21SAR 21 P-RailSAR 21 MMSSAR 21 LMGSAR 21 Sharpshooter
Main users
Singapore
Key components
- ●Stock — Shoulder rest.
- ●Receiver — Weapon body with internal mechanisms.
- ●Grip — Primary grip.
- ●Magazine — Cartridge feed.
- ●Barrel — Guides the projectile.
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