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S&T Motiv (Daewoo) XK9 / XK10 (DS9A)

Submachine Gun (SMG) [ 2003 ]

The XK9 and XK10 submachine guns were a South Korean attempt to provide general forces and specialist troops with a homegrown SMG solution.

Authored By: Staff Writer | Last Edited: 09/22/2016 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.

The S&T Daewoo XK9 marked a new developmental submachine gun design intended for use by South Korean special forces and general military personnel. The type was chambered for the ubiquitous 9x19mm Parabellum pistol cartridge feeding from a 30-round straight detachable box magazine. In function it was to mimic the capabilities of the storied German Heckler & Koch MP5 series which remains in widespread circulation worldwide but it appears that only developmental forms of the South Korean product were realized in or around 2003.

The XK10 became an offshoot of the XK9 and offered with folding skeletal stock and more compact dimensions for ease-of-use in confined quarters. As of this writing, the XK9/XK10 project appears to be cancelled. It is also mentioned under the designation of "DS9A" in some sources.

At its core, the weapon fired from a blowback system of operation at a rate of 980 rounds-per-minute. The submachine gun weighed nearly 3 kilograms when empty and sported an overall length of 680mm. The barrel of the XK9 measured 220mm long with effective engagement ranges out to 150 meters

Externally the weapon featured a traditional arrangement with angled pistol grip aft of the action, a forward-set magazine well and a largely rectangular receiver. The stock was either solid or skeletal depending on model and a section of rail was fitted over the receiver for the mounting of optics or tactical gear. As in the MP5, the barrel of the XK9 was mounted low within the forend section.©MilitaryFactory.com
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Service Year

South Korea national flag graphic
South Korea


Submachine Gun (SMG)

S&T Motiv (Daewoo) - South Korea
(View other Arms-Related Manufacturers)
National flag of South Korea South Korea (cancelled)
(OPERATORS list includes past, present, and future operators when applicable)

Overall Length
680 mm
26.77 in
Barrel Length
220 mm
8.66 in
Empty Wgt
6.39 lb
2.90 kg

Iron; Optional Optics


Blowback; Selective Fire

Blowback Operation
Gas pressure from the rearward movement of the ignited cartridge case provides the needed bolt movement, ejecting the spent case and stripping a fresh case from the magazine.
(Material presented above is for historical and entertainment value and should not be construed as usable for hardware restoration, maintenance, or general operation - always consult official manufacturer sources for such information)


9x19mm Parabellum

Sample Visuals**

Graphical image of a 9mm pistol cartridge
Rounds / Feed

30-round detachable box magazine
Cartridge relative size chart
*May not represent an exhuastive list; calibers are model-specific dependent, always consult official manufacturer sources.
**Graphics not to actual size; not all cartridges may be represented visually; graphics intended for general reference only.
Max Eff.Range
500 ft
(152 m | 167 yd)
Muzzle Velocity
1,250 ft/sec
(381 m/sec)

XK9 - Base Series Designation; 2.9kg weight; 680mm extended length, 438mm folded; 220mm barrel length.
XK10 - Shortened, lighter weight form; 2.8kg weight; 590mm extended length, 348mm folded length; 134mm barrel length.
DS9A - Alternative designation

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