24 cm MRK L/30
              < 24 cm MRK L 
 
            
          | 24 cm MRK L/30 | |
|---|---|
| Reconstructed armored cupola with 24 cm MRK L/30 at nl:Fort aan den Hoek van Holland | |
| Type | Naval gun Coastal artillery | 
| Place of origin | German Empire | 
| Service history | |
| In service | 1885-1945 | 
| Used by | Netherlands Germany | 
| Wars | World War I World War II | 
| Production history | |
| Designer | Krupp | 
| Designed | 1880 | 
| Manufacturer | Krupp | 
| Produced | 1884 | 
| No. built | 9 (at least) | 
| Specifications | |
| Mass | 19,000 kg | 
| Length | 7,200 mm (L/30) | 
| Shell | Separate loading bagged charges and projectiles | 
| Caliber | 240 mm (9.4 in) | 
| Breech | Cylindro-prismatic breech block | 
| Muzzle velocity | 549 m/s | 
| Effective firing range | 7,600 m | 
The 24 cm MRK L/30 was a Krupp naval gun developed in the early 1880s. Together with the 24 cm K L/35, it implemented the ideas of using higher charges and longer projectiles for the Krupp 24 cm caliber.