SAR 21 MMS
«SAR 21 Modular Mounting System»
Assault rifleSingapore2008In service
Modular variant of the SAR 21 with side and top Picatinny rails replacing the integrated optic; allows mounting of red dot, holographic sights, lasers and tactical lights.
Assault rifle//Singapore
ID — SAR-21-MMS
Designation
SAR 21 MMS
ST Engineering Land Systems
Caliber
5.56×45 mm NATO
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Data trust
- Reliability
- Unverified
- Sources
- Sources pending review
Identity
- Designation
- SAR 21 MMS
- Alias
- SAR 21 Modular Mounting System
- Manufacturer
- ST Engineering Land Systems
- Country
- Singapore
- Year
- 2008
- 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
- 4 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
Unveiled at a trade show in 2008, the MMS (Modular Mounting System) responds to special operations users' demand to freely select their own optics and accessories.
The integrated 1.5× carry handle is replaced by a full-length top Picatinny rail and short side rails for lasers and illuminators.
Adopted especially by Singapore SOF (Commandos, Naval Diving Unit) for CQB use with dedicated reflex/holographic sights.
Variants
SAR 21 MMSSAR 21 RIS
Main users
Singapore (SOF)
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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