| 40 cm MRK L/25 | |
|---|---|
 40 cm MRK L/25 on coastal carriage in Meppen | |
| Place of origin | German Empire |
| Production history | |
| Designer | Krupp |
| Designed | 1878? |
| Manufacturer | Krupp |
| Produced | 1879 |
| No. built | 1 |
| Specifications | |
| Mass | 72,000 kg[1] |
| Length | 10,000 mm[1] |
| Caliber | 400 mm[1] |
| Rate of fire | 1 per 4.8 minutes[2] |
| Muzzle velocity | 502.4 m/s[2] |
The 40 cm Mantel Ring Kanone L/25, was a 40 cm 25 caliber long Krupp Mantel Ring Kanone (MRK). It was a high caliber, but in restrospect comparatively short, rifled breech loader built-up gun with a Krupp cylindroprismatic sliding breech.
- ^ a b c Heeres-Zeitung 13 August 1879, p. 504.
- ^ a b Heeres-Zeitung 13 August 1879, p. 505.