CN08 120 mm gun
The CN08 (Cannon 08) is a 120 mm 55-caliber smoothbore gun produced by Hyundai WIA. It is incorrectly known as the licensed production of the Rheinmetall Rh-120 L/55, but it was indigenously developed by the Agency for Defense Development and WIA (now Hyundai WIA) from 2003 to 2008 for the XK2 development project started in 1995. The development was completed after the field test ended in September 2008.
| CN08 120 mm L/55 | |
|---|---|
Gun barrel of the CN08 | |
| Type | Smoothbore tank gun |
| Place of origin | South Korea |
| Service history | |
| In service | 2014–present |
| Used by | See Operators |
| Production history | |
| Designer | Agency for Defense Development WIA |
| Designed | 2003–2008 |
| Manufacturer | Hyundai WIA |
| Variants | MKE 120 mm gun |
| Specifications | |
| Mass | Gun barrel: 1,324 kg (2,919 lb) Gun mount: 3,100 kg (6,800 lb) |
| Length | Gun barrel: 6.600 m (21.65 ft) Gun mount: 7.118 m (23.35 ft) |
| Caliber | 120×570mm NATO |
| Action | Automatic opening and closing mechanism |
| Breech | Vertically sliding |
| Recoil | Eccentric hydro-pneumatic |
| Rate of fire | 10 rds/min |
| Muzzle velocity | 1,640 to 1,760 m/s (5,400 to 5,800 ft/s) with K279 APFSDS-T 1,678 to 1,800 m/s (5,510 to 5,910 ft/s) with K279 Improved APFSDS-T |
| Effective firing range | APFSDS-T: 3,000 meters (3,300 yd) KSTAM-I: 5,000 meters (5,500 yd) KSTAM-II: 8,000 meters (8,700 yd) |
| Feed system | Automatic feeding endless belt magazine |
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