1878 to 1882 Krupp designed and tested the 15cm MRK L/30 and 15cm MRK L/35. These were rifledbreechloader built-up guns (Mantel Ring Kanone) that showed
The 20.3 cmSKC/34 was the main battery gun used on the German Admiral Hipper-class heavy cruisers. These built-up guns consisted of a rifled tube encased
similar to the related 15cm MRK L/25 and 15cm MRK L/30, and the somewhat later 15cm MRK L/40. Like these, it was a rifledbreechloader built-up gun with