Colt 9mm SMG vs JS 9 mm: Specs Compared

FORCETALLY

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Colt 9mm SMG — licensed reference photograph

ASmall arms

Colt 9mm SMG

Submachine gun

Credit

Evers · CC BY-SA 2.0 · Resized · CC BY-SA 2.0 · Source ↗ · Modified

BSmall arms

JS 9 mm

Bullpup submachine gun Personal defense weapon

First system

Second system

At a glance

Side by side

Length comparisonOne shared metre scale

Colt 9mm SMGstock extended

0.73 m

Length source ↗

JS 9 mmLength

0.45 m

Length source ↗

Lengths retain their source configuration and measurement scope.

Colt 9mm SMGlarger figure on 1 of 2

Barrel length+7%

JS 9 mmlarger figure on 1 of 2

Range+100%

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

Measured figures

Head to head

13 of 31 rows sourced on both sides

730mmstock extended

450mm

Length

All recorded figures & sources

0.73 m

stock extended

Single source

0.65 m

stock retracted

Single source

Configuration

Details

Colt 9mm SMG and JS 9 mm configuration
Specification	Colt 9mm SMG	JS 9 mm
Type	Submachine gun^[source]	Bullpup submachine gun Personal defense weapon^[source]
Place of origin	United States^[source]	China^[source]
In service	1982–present^[source]	—
Used by	See Users^[source]	—
Wars	Invasion of Panama Miami drug war^[source]

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

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

Action	blowback , closed bolt^[source]	Blowback , open bolt^[source]

Feed system	20- and 32-round detachable box magazine 100-round Beta C-Mag^[source]	30-round detachable box magazine^[source]

Manufacturer	Colt's Manufacturing Company^[source]	China South Industries Group^[source]

Designer	—	Jianshe Industry (Group) Corporation^[source]

Sights	—	Open sight block, fixed front peep sight, flip up back sights^[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

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