The 20.3cmSKC/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
decided to manufacture the Hakim rifle, a licensed copy of the Swedish Ag m/42, they redesigned the breech to accept the 7.92×57mm Mauser cartridge rather
15 cm Mantel Ring Kanone L/30, known as 15 cm Kanone L/30 was a 15 cm 30 caliber long Krupp Mantel Ring Kanone (MRK). It was a rifledbreechloader built-up