S&T Daewoo XK9

S&T Daewoo XK9 is a 9×19mm submachine gun manufactured by S&T Daewoo. It was to be used along the Heckler & Koch MP5 in ROK military special forces, but was not adopted. According to Jane's, the weapon was supposedly manufactured and adopted in 2003 and had the designation DS9A.

S&T Daewoo XK9
Class Manportable
Type Machine Guns
Manufacturer S&T Motiv
Origin Korea
Country Name Origin Year
Korea 2003
ManufacturerName Production From Production To Quantity
S&T Motiv View

Type Submachine gun
Place of origin Republic of Korea
Service history
In service cancelled
Used by n/a
Production history
Designer S&T Daewoo
Manufacturer S&T Daewoo
Produced 2003 (supposedly)
Variants XK9C
Weight XK9: 2.90 kg (empty)

XK10: 2.80 kg (empty)
Length XK9: 680 mm (extended)

XK10: 590 mm (extended)

XK9: 438 mm (folded)

XK10: 348 mm (folded)
Barrel length XK9: 220 mm

XK10: 134 mm
Cartridge 9×19mm Parabellum
Caliber 9mm
Action blowback
Rate of fire 980 rounds/min
Muzzle velocity XK9: 380 m/s

XK10: 350 m/s
Effective firing range XK9: 150 m

XK10: 100 m
Feed system 30-round magazine
Sights rail mount

End notes