| S&T Daewoo XK9 | |
| Origin: | Republic of Korea |
| Type: | Submachine gun |
| Is Ranged: | yes |
| Service: | None |
| Used By: | n/a |
| Designer: | S&T Daewoo |
| Design Date: | 2003-04 |
| Manufacturer: | S&T Daewoo[1] |
| Production Date: | 2003-04 (Supposed date) |
| Number: | Preproduction prototypes only |
| 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) |
| Part Length: | XK9: 220 mm XK10: 134 mm |
| Cartridge: | 9×19mm Parabellum |
| Caliber: | 9mm |
| Action: | blowback |
| Rate: | 980 rounds/min |
| Velocity: | XK9: 380 m/s XK10: 350 m/s |
| Range: | XK9: 150 m XK10: 100 m |
| Feed: | 30-round magazine |
| Sights: | rail mount |
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]
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.