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 in 2003 and had the designation DS9A.^[2] The XK9 can be mass-produced if there is demand for it.^[3]

S&T Daewoo XK9
Type	Submachine gun
Place of origin	Republic of Korea
Service history
In service	None
Used by	n/a
Production history
Designer	S&T Daewoo
Designed	2003-04
Manufacturer	S&T Daewoo[1]
Produced	2003-04 (Supposed date)
No. built	Preproduction prototypes only
Variants	XK9C
Specifications
Mass	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

Variants

The only known variant is the Daewoo XK10, which has a shorter length by 590 mm with its extended stock and 348 mm if the stock is folded. In addition, it has a barrel length of 134 mm.