Kulspruta m/39 vs SAR 21: Specs Compared

Kulspruta m/39 — licensed reference photograph

ASmall arms

Kulspruta m/39

Machine gun

Credit

Armémuseum (The Swedish Army Museum) · CC BY-SA 3.0 · Resized · CC BY-SA 3.0 · 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

Kulspruta m/39larger figure on 1 of 1

Rate of fire+20%

SAR 21larger figure on 0 of 1

None

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

Measured figures

Head to head

14 of 30 rows sourced on both sides

—

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

Length

All recorded figures & sources

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]

—

5.3kgGL/M203 SAR 21

Mass

All recorded figures & sources

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]

1.8–2.4kmMaximum; Maximum firing range

0.8kmEffective; SS109

RangeScopes differ

All recorded figures & sources

1.8–2.4 km

Maximum; Maximum firing range

Single source

1800 to 2400 m^[source]

0.46 km

Effective; M193

Single source

0.8 km

Effective; SS109

Single source

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

600–720rounds/min

450–650rounds/min

Rate of fire

All recorded figures & sources

600–720 rounds/min

Rate of fire

Single source

600-720 rounds per minute^[source]

450–650 rounds/min

Rate of fire

Single source

450–650 rounds/min^[source]

—

508mm

Barrel length

All recorded figures & sources

0.508 m

Barrel length

Single source

508 mm (20.0 in)^[source]

—

5.6mmCaliber

Calibre

All recorded figures & sources

5.56 mm

Caliber

Single source

5.56 mm (0.22 in)^[source]

—

970m/sM193

Muzzle velocity

All recorded figures & sources

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]

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

Configuration

Details

Kulspruta m/39 and SAR 21 configuration
Specification	Kulspruta m/39	SAR 21
Type	Machine gun^[source]	Bullpup assault rifle^[source]
Place of origin	Sweden^[source]	Singapore^[source]
In service	1939-present^[source]	1999–present^[source]
Used by	Sweden^[source]	See Users^[source]
Designer	John Moses Browning^[source]	Tuck Wah Chee and Felix Tsai of Chartered Industries of Singapore / ST Kinetics^[source]
Designed	1942^[source]	1996^[source]
Manufacturer	Carl Gustafs Stads Gevärsfaktori^[source]	• CIS: 1999–2000 • ST Kinetics : 2000–present^[source]
Produced	1937-1944^[source]	1999–present^[source]
No. built	≈7600 pieces^[source]	—
Cartridge	6.5×55mm 8×63mm patron m/32 7.62×51mm NATO^[source]	5.56×45mm NATO^[source]
Action	Recoil^[source]	Gas-operated , rotating bolt^[source]
Feed system	Belt^[source]	30-round detachable plastic box magazine Export models: STANAG magazines^[source]
Sights	Iron^[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 · 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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Kulspruta m/39

SAR 21

Type

Machine gun^[source]

Bullpup assault rifle^[source]

Place of origin

Sweden^[source]

Singapore^[source]

In service

1939-present^[source]

1999–present^[source]

Used by

Sweden^[source]

See Users^[source]

Designer

John Moses Browning^[source]

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

Designed

1942^[source]

1996^[source]

Manufacturer

Carl Gustafs Stads Gevärsfaktori^[source]

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

Produced

1937-1944^[source]

1999–present^[source]

No. built

≈7600 pieces^[source]

—

Cartridge

6.5×55mm 8×63mm patron m/32 7.62×51mm NATO^[source]

5.56×45mm NATO^[source]

Action

Recoil^[source]

Gas-operated , rotating bolt^[source]

Feed system

Belt^[source]

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

Sights

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