Mk 13 rifle vs Type 81 assault rifle: Specs Compared

ASmall arms

Type 81 assault rifle

Assault rifle Squad automatic weapon (Type 81 LMG)

Credit

Tyg728 · 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

Mk 13 rifleLength

1.207 m

Length source ↗

Type 81 assault rifleLength

0.955 m

Length source ↗

Lengths retain their source configuration and measurement scope.

Mk 13 riflelarger figure on 3 of 3

Length+26%
Range+225%
Barrel length+51%

Type 81 assault riflelarger figure on 0 of 3

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 40 rows sourced on both sides

1.21m

955mm

Length+26%

All recorded figures & sources

1.207 m

Length

Single source

1207 mm (47.5")^[source]

0.955 m

Length

Single source

1.004 m

LMG

Single source

0.73 m

stock folded

Single source

955 mm (37.6 in) 730 mm (29 in) (stock folded) 1,004 mm (39.5 in) (LMG)^[source]

5.17kg

5.15kgloaded, LMG

Mass

All recorded figures & sources

5.17 kg

Mass

Single source

5.17 kg (11.4 lbs)^[source]

3.4 kg

empty, rifle

Single source

5.15 kg

loaded, LMG

Single source

4.5 kg

loaded, rifle

Single source

3.4 kg (7.50 lb) (empty, rifle) 4.5 kg (9.92 lb) (loaded, rifle) 5.15 kg (11.35 lb) (loaded, LMG)^[source]

1.3kmEffective; Effective firing range

0.4kmEffective; Effective firing range

Range+225%

All recorded figures & sources

1.3 km

Effective; Effective firing range

Single source

1,300 meters (1,421 yd)^[source]

0.4 km

Effective; Effective firing range

Single source

2 km

Maximum; +

Single source

400 m (1,300 ft)^[source]

2,000 m (6,600 ft)+^[source]

673mm

445mm

Barrel length+51%

All recorded figures & sources

0.673 m

Barrel length

Single source

673 mm (26.5")^[source]

0.445 m

Barrel length

Single source

0.52 m

LMG

Single source

445 mm (17.5 in) 520 mm (20 in) (LMG)^[source]

—

720rpmLMG

Rate of fire

All recorded figures & sources

720 rounds/min

LMG

Single source

650 rounds/min

Rate of fire

Single source

650 rounds/min 720 rounds/min (LMG)^[source]

—

750m/s

Muzzle velocity

All recorded figures & sources

750 m/s

Muzzle velocity

Single source

750 m/s (2,461 ft/s)^[source]

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

Configuration

Details

Mk 13 rifle and Type 81 assault rifle configuration
Specification	Mk 13 rifle	Type 81 assault rifle
In service	2001–present^[source]	1983–present^[source]
Used by	United States^[source]	See Users^[source]
Wars	War in Afghanistan Iraq War^[source]	Sino-Vietnamese conflicts Cambodian–Vietnamese War Soviet–Afghan War Iran–Iraq War Sri Lankan Civil War Lord's Resistance Army insurgency Barin uprising Gulf War Croatian War of Independence Bosnian War Kosovo War Kargil War War in Afghanistan (2001-2021) Iraq War Boko Haram insurgency Syrian Civil War Internal conflict in Myanmar 2025 Cambodia‒Thailand conflict^[source]
Designer	Accuracy International / Remington Arms^[source]	Wang Zijun^[source]
Variants	Mk 13 MOD 5 Mk 13 MOD 7^[source]	See Variants^[source]
Cartridge	.300 Winchester Magnum^[source]	7.62×39mm^[source]
Calibre	.308^[source]	—
Action	Bolt action^[source]	Short stroke gas piston , rotating bolt^[source]
Feed system	5-round magazine (MOD 5)^[source]	Proprietary 30-round detachable box magazine (20 rounds for CS/LR14), 75-round detachable drum magazine^[source]
Sights	Nightforce Advanced Tactical Riflescope^[source]	Adjustable iron sights^[source]
Country of origin	United Kingdom^[source]	—
Manufacturer	Accuracy International^[source]	Manufactured by: Various state arsenals Marketed by: Norinco Emei Licensed by: Bangladesh Ordnance Factories^[source]
Type	—	Assault rifle Squad automatic weapon (Type 81 LMG)^[source]
Place of origin	—	China^[source]
Designed	—	1979–1981^[source]
Produced	—	1983-2023 (China) 1980s-present (Bangladesh and other countries)^[source]
No. built	—	~400,000 (Type 81)^[source]
Reported operators	—	Reported operator · Bangladesh Reported operator · Cambodia Reported operator · China Reported operator · Gabon Reported operator · Guinea Reported operator · Iraq Reported operator · Ivory Coast Reported operator · Kyrgyzstan Reported operator · Myanmar Reported operator · Niger Reported operator · Nigeria Reported operator · Pakistan Reported operator · Sri Lanka Reported operator · Sudan Reported operator · Syria Reported operator · Tajikistan Reported operator · Uganda

FORCETALLY

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Mk 13 rifle

Type 81 assault rifle

In service

2001–present^[source]

1983–present^[source]

Used by

United States^[source]

See Users^[source]

Wars

War in Afghanistan Iraq War^[source]

Sino-Vietnamese conflicts Cambodian–Vietnamese War Soviet–Afghan War Iran–Iraq War Sri Lankan Civil War Lord's Resistance Army insurgency Barin uprising Gulf War Croatian War of Independence Bosnian War Kosovo War Kargil War War in Afghanistan (2001-2021) Iraq War Boko Haram insurgency Syrian Civil War Internal conflict in Myanmar 2025 Cambodia‒Thailand conflict^[source]

Designer

Accuracy International / Remington Arms^[source]

Wang Zijun^[source]

Variants

Mk 13 MOD 5 Mk 13 MOD 7^[source]

See Variants^[source]

Cartridge

.300 Winchester Magnum^[source]

7.62×39mm^[source]

Calibre

.308^[source]

—

Action

Bolt action^[source]

Short stroke gas piston , rotating bolt^[source]

Feed system

5-round magazine (MOD 5)^[source]

Proprietary 30-round detachable box magazine (20 rounds for CS/LR14), 75-round detachable drum magazine^[source]

Sights

Nightforce Advanced Tactical Riflescope^[source]

Adjustable iron sights^[source]

Country of origin

United Kingdom^[source]

—

Manufacturer

Accuracy International^[source]

Manufactured by: Various state arsenals Marketed by: Norinco Emei Licensed by: Bangladesh Ordnance Factories^[source]

Type

—

Assault rifle Squad automatic weapon (Type 81 LMG)^[source]

Place of origin

—

China^[source]

Designed

—

1979–1981^[source]

Produced

—

1983-2023 (China) 1980s-present (Bangladesh and other countries)^[source]

No. built

—

~400,000 (Type 81)^[source]

Reported operators

—

Reported operator · Bangladesh
Reported operator · Cambodia
Reported operator · China
Reported operator · Gabon
Reported operator · Guinea
Reported operator · Iraq
Reported operator · Ivory Coast
Reported operator · Kyrgyzstan
Reported operator · Myanmar
Reported operator · Niger
Reported operator · Nigeria
Reported operator · Pakistan
Reported operator · Sri Lanka
Reported operator · Sudan
Reported operator · Syria
Reported operator · Tajikistan
Reported operator · Uganda