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Small arms1993–present
Automatic grenade launcher
Daewoo Precision Industries K4 is a automatic grenade launcher originating in South Korea. It was built by Daewoo Precision Industries (1981–1999) Daewoo Telecom (1999–2002) Daewoo Precision (2002–2006) S&T Daewoo (2006–2012) S&T Motiv (2012–2021) SNT Motiv (2021–present). Reported operators include Iraq, Libya, Mexico, Poland, South Korea, Singapore.
South KoreaTechnical data
Automatic grenade launcher
South Korea
1993–present
See Users
War in Afghanistan Iraq War Libyan Civil War
Agency for Defense Development Daewoo Precision Industries
1985–1991
Daewoo Precision Industries (1981–1999) Daewoo Telecom (1999–2002) Daewoo Precision (2002–2006) S&T Daewoo (2006–2012) S&T Motiv (2012–2021) SNT Motiv (2021–present)
1993–present
34.4 kg (75.84 lb) ( no tripod )
1,072 mm (42.2 in)
412 mm (16.22 in)
40×53mm grenade
40 mm
API blowback
325–378 rounds/min
240.8 m/s (790 ft/s) (K212) 242.3 m/s (795 ft/s) (KM383)
1,500 m (1,600 yd)
2,200 m (2,400 yd)
belt-fed, 32 or 48 grenades belt
KAN/TVS-5 night vision scope can be attached
Iraq
Libya
Mexico
Poland
South Korea
Singapore
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 28 Sept 2026 | 1.072 m | Wikipedia contributors | superseded |
Daewoo Precision Industries K4 equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
Iraq, Libya, Mexico, Poland, South Korea, Singapore
Equipment reference ↗
Iraq
Libya
Mexico
Poland
Singapore