JS 9 mm vs Vz. 58: Specs Compared

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ASmall arms

JS 9 mm

Bullpup submachine gun Personal defense weapon

BSmall arms

Vz. 58

Assault rifle

Credit

Jan Hrdonka ( en:User:Hrd10 ) · Public domain · Resized · Public domain · Source ↗ · Modified

First system

Second system

At a glance

Side by side

Length comparisonOne shared metre scale

JS 9 mmLength

0.45 m

Length source ↗

Vz. 58vz. 58 V with bayonet fixed

1 m

Length source ↗

Lengths retain their source configuration and measurement scope.

JS 9 mmlarger figure on 1 of 4

Rate of fire+13%

Vz. 58larger figure on 3 of 4

Mass+46%
Range

Measured figures

Head to head

16 of 50 rows sourced on both sides

450mm

1mvz. 58 V with bayonet fixed

Length

All recorded figures & sources

0.45 m

Length

Single source

450 mm (17.7 in)^[source]

0.845 m

vz. 58 P

Single source

Configuration

Details

JS 9 mm and Vz. 58 configuration
Specification	JS 9 mm	Vz. 58
Type	Bullpup submachine gun Personal defense weapon^[source]	Assault rifle^[source]
Place of origin	China^[source]	Czechoslovakia^[source]
Designer	Jianshe Industry (Group) Corporation^[source]	Jiří Čermák^[source]
Manufacturer	China South Industries Group^[source]	Česká zbrojovka Uherský Brod

Produced	2006–present^[source]	1959–1982^[source]

Cartridge	5.8×21mm DAP92 9×19mm Parabellum^[source]	7.62×39mm^[source]

Action	Blowback , open bolt^[source]	Gas-operated , hinged locking piece assisted breechblock^[source]

Feed system	30-round detachable box magazine^[source]	Staggered 30-round detachable box magazine , weight 0.19 kg (0.42 lb) unloaded^[source]

Sights	Open sight block, fixed front peep sight, flip up back sights^[source]	Open-type iron sights with sliding rear tangent and shrouded front post 353 mm (13.9 in) sight radius^[source]

Source measurement	The CS/LS2 , formerly known as the JS 9 mm ( Chinese : JS 9 mm冲锋枪 ; pinyin : JS 9 mm Chōngfēng Qiāng ; lit. 'JS 9 mm Submachine Gun') is a commercial export version of the QCW-05 submachine gun used by the People's Liberation Army . The weapon is designed specifically for police and law enforcement.^[source]JS 9 mm · Lead; only the objects and conditions stated in this passage Following the development of the QCW-05 submachine gun, Jianshe Industries (Group) Corporation, a company under the China South Industries Group Corporation developed a police- and export-oriented version of the QCW-05, called JS 9. The first prototype of the JS 9mm is essentially a shortened QCW-05, with the same carry handle and iron sights, but with a modified caliber for the popular 9×19mm Parabellum . The second prototype removed the carry handle and opted for a Picatinny rail. The JS 9 mm was first showcased in 2005 at the China Police Equipment Exhibition.^[source]JS 9 mm · Development; only the objects and conditions stated in this passage The JS submachine gun is a bullpup weapon similar to the QCW-05 . It is slightly shorter than the QCW05 and does not feature the carry handle. Instead, a Picatinny rail is located on top of the upper receiver, which allows customization of optics. The JS 9 mm features both automatic and semi-automatic firing mode.^[source]JS 9 mm · Design; only the objects and conditions stated in this passage The JS 9 mm is designed to take commercially available 9×19mm Parabellum or the indigenous 9×19mm DAP92-9 round. It is also capable of accepting widely used MP5 magazines along with its own double-column, 30-round, box magazine. A 50-round quad stack magazine for the 9×19mm was also developed, but did not enter production.^[source]JS 9 mm · Design; only the objects and conditions stated in this passage The JS 9 mm features several accessories, including daylight sights, night vision sights, infrared sights, and screw-on suppressors.^[source]JS 9 mm · Design; only the objects and conditions stated in this passage	—

Source measurement

The CS/LS2 , formerly known as the JS 9 mm ( Chinese : JS 9 mm冲锋枪 ; pinyin : JS 9 mm Chōngfēng Qiāng ; lit. 'JS 9 mm Submachine Gun') is a commercial export version of the QCW-05 submachine gun used by the People's Liberation Army . The weapon is designed specifically for police and law enforcement.^[source]JS 9 mm · Lead; only the objects and conditions stated in this passage

Following the development of the QCW-05 submachine gun, Jianshe Industries (Group) Corporation, a company under the China South Industries Group Corporation developed a police- and export-oriented version of the QCW-05, called JS 9. The first prototype of the JS 9mm is essentially a shortened QCW-05, with the same carry handle and iron sights, but with a modified caliber for the popular 9×19mm Parabellum . The second prototype removed the carry handle and opted for a Picatinny rail. The JS 9 mm was first showcased in 2005 at the China Police Equipment Exhibition.^[source]JS 9 mm · Development; only the objects and conditions stated in this passage

The JS submachine gun is a bullpup weapon similar to the QCW-05 . It is slightly shorter than the QCW05 and does not feature the carry handle. Instead, a Picatinny rail is located on top of the upper receiver, which allows customization of optics. The JS 9 mm features both automatic and semi-automatic firing mode.^[source]JS 9 mm · Design; only the objects and conditions stated in this passage

The JS 9 mm is designed to take commercially available 9×19mm Parabellum or the indigenous 9×19mm DAP92-9 round. It is also capable of accepting widely used MP5 magazines along with its own double-column, 30-round, box magazine. A 50-round quad stack magazine for the 9×19mm was also developed, but did not enter production.^[source]JS 9 mm · Design; only the objects and conditions stated in this passage

The JS 9 mm features several accessories, including daylight sights, night vision sights, infrared sights, and screw-on suppressors.^[source]JS 9 mm · Design; only the objects and conditions stated in this passage

—

Country of origin	China^[source]Inventory Origin column; table 4, row 5, cell 5; revision 1377673382; retrieved 2026-10-01	—

In service	—	1959–present^[source]

Used by	—	See Users^[source]

Wars	—	Vietnam War Laotian Civil War Cambodian Civil War Nigerian Civil War Communist rebellion in the Philippines Cyprus conflicts Lebanese Civil War Cambodian-Vietnamese War Kurdish–Turkish conflict (1978–present) The Troubles South African Border War Eritrean War of Independence Gulf War Burundian Civil War Kosovo War War in Afghanistan (2001–2021) Iraq War Kivu Conflict First Libyan Civil War Syrian Civil War War in Iraq (2013–2017) Russian invasion of Ukraine^[source]

Designed	—	1956–1958^[source]

No. built	—	Approx. 920,000^[source]

Variants	—	See Variants^[source]

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