OPL-40M vs SAR 21: Specs Compared

ASmall arms

OPL-40M

Under-barrel grenade launcher

Credit

User:Arest128 · CC BY 4.0 · Resized · CC BY 4.0 · Source ↗ · Modified

BSmall arms

SAR 21

Bullpup assault rifle

Credit

Mztourist · CC BY-SA 4.0 · Resized · CC BY-SA 4.0 · Source ↗ · Modified

First system

Second system

At a glance

Side by side

Length comparisonOne shared metre scale

OPL-40MLength

0.37 m

Length source ↗

SAR 21SAR 21, SAR 21 40 GL/M203, SAR 21 P-Rail

0.805 m

Length source ↗

Lengths retain their source configuration and measurement scope.

OPL-40Mlarger figure on 0 of 1

None

SAR 21larger figure on 1 of 1

Barrel length+103%

Counts only measures both sources give with the same scope. A larger figure is not a better system.

Measured figures

Head to head

17 of 30 rows sourced on both sides

370mm

805mmSAR 21, SAR 21 40 GL/M203, SAR 21 P-Rail

Length

All recorded figures & sources

0.37 m

Length

Single source

370 mm^[source]

0.64 m

SAR 21 Light Weight Carbine

Single source

0.68 m

SAR 21 MMS

Single source

0.805 m

SAR 21, SAR 21 40 GL/M203, SAR 21 P-Rail

Single source

805 mm (31.7 in) (SAR 21, SAR 21 40 GL/M203, SAR 21 P-Rail) 680 mm (26.8 in) (SAR 21 MMS) 640 mm (25.2 in) (SAR 21 Light Weight Carbine)^[source]

1.4kgUnloaded

5.3kgGL/M203 SAR 21

MassScopes differ

All recorded figures & sources

1.4 kg

Unloaded

Single source

1.4 kg (unloaded)^[source]

5.3 kg

GL/M203 SAR 21

Single source

3.6 kg

P-Rail

Single source

3 kg

SAR 21 Light Weight Carbine

Single source

3.5 kg

SAR 21 MMS

Single source

4 kg

SAR 21 SAR 21

Single source

• SAR 21: 4 kg (8.82 lb) • SAR 21 GL/M203: 5.3 kg (12 lb) • SAR 21 P-Rail: 3.6 kg (7.9 lb) • SAR 21 MMS: 3.5 kg (7.7 lb) • SAR 21 Light Weight Carbine 3 kg (6.6 lb)^[source]

0.4kmEffective

0.8kmEffective; SS109

RangeScopes differ

All recorded figures & sources

0.375 km

Effective

Single source

375 m (effective)^[source]

0.46 km

Effective; M193

Single source

0.8 km

Effective; SS109

Single source

460 m (M193) 800 m (SS109)^[source]

250mm

508mm

Barrel length+103%

All recorded figures & sources

0.25 m

Barrel length

Single source

250 mm^[source]

0.508 m

Barrel length

Single source

508 mm (20.0 in)^[source]

74m/s

970m/sM193

Muzzle velocity

All recorded figures & sources

74 m/s

Muzzle velocity

Single source

74 m/s^[source]

970 m/s

M193

Single source

945 m/s

SS109

Single source

970 m/s (3,182 ft/s) (M193) 945 m/s (3,100.4 ft/s) (SS109)^[source]

—

5.6mmCaliber

Calibre

All recorded figures & sources

5.56 mm

Caliber

Single source

5.56 mm (0.22 in)^[source]

—

450–650rounds/min

Rate of fire

All recorded figures & sources

450–650 rounds/min

Rate of fire

Single source

450–650 rounds/min^[source]

Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.

Configuration

Details

OPL-40M and SAR 21 configuration
Specification	OPL-40M	SAR 21
Type	Under-barrel grenade launcher^[source]	Bullpup assault rifle^[source]
Place of origin	Vietnam^[source]	Singapore^[source]
In service	2010–present^[source]	1999–present^[source]
Used by	Vietnam People's Army^[source]	See Users^[source]
Designer	Z125 Factory^[source]	Tuck Wah Chee and Felix Tsai of Chartered Industries of Singapore / ST Kinetics^[source]
Designed	2010^[source]	1996^[source]
Manufacturer	Z125 Factory^[source]	• CIS: 1999–2000 • ST Kinetics : 2000–present^[source]
Produced	In production^[source]	1999–present^[source]
Cartridge	40×46mm NATO^[source]	5.56×45mm NATO^[source]
Action	Single-shot^[source]	Gas-operated , rotating bolt^[source]
Feed system	Manual loading^[source]	30-round detachable plastic box magazine Export models: STANAG magazines^[source]
Sights	Leaf sight and post front sight^[source]	1.5x or 3x optical sight; back-up iron sights^[source]
Variants	—	See variants^[source]
Barrels	—	Single barrel 1:12" and 1:7" twist options^[source]
Reported operators	Reported operator · Vietnam	Reported operator · Botswana Reported operator · Brunei Reported operator · Indonesia Reported operator · Morocco Reported operator · Peru Reported operator · Singapore Reported operator · Thailand Reported operator · Sri Lanka

FORCETALLY

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OPL-40M

SAR 21

Type

Under-barrel grenade launcher^[source]

Bullpup assault rifle^[source]

Place of origin

Vietnam^[source]

Singapore^[source]

In service

2010–present^[source]

1999–present^[source]

Used by

Vietnam People's Army^[source]

See Users^[source]

Designer

Z125 Factory^[source]

Tuck Wah Chee and Felix Tsai of Chartered Industries of Singapore / ST Kinetics^[source]

Designed

2010^[source]

1996^[source]

Manufacturer

Z125 Factory^[source]

• CIS: 1999–2000 • ST Kinetics : 2000–present^[source]

Produced

In production^[source]

1999–present^[source]

Cartridge

40×46mm NATO^[source]

5.56×45mm NATO^[source]

Action

Single-shot^[source]

Gas-operated , rotating bolt^[source]

Feed system

Manual loading^[source]

30-round detachable plastic box magazine Export models: STANAG magazines^[source]

Sights

Leaf sight and post front sight^[source]

1.5x or 3x optical sight; back-up iron sights^[source]

Variants

—

See variants^[source]

Barrels

—

Single barrel 1:12" and 1:7" twist options^[source]

Reported operators

Reported operator · Vietnam

Reported operator · Botswana
Reported operator · Brunei
Reported operator · Indonesia
Reported operator · Morocco
Reported operator · Peru
Reported operator · Singapore
Reported operator · Thailand
Reported operator · Sri Lanka