File:British Coastal Artillery 9.2 in Mk10 Gun on Mk 7 Mount.jpg

9.2-inch Mk. X gun mounted on Mk. VII carriages equipped with powered rammers and hydraulic drives. These were high angle mounts allowing a maximum firing elevation of 35 degrees giving a range of 29,000 yards (26.5 km. or 14.3 nautical miles)

9.2-inch Gun Mark 10 data Calibre 234 mm Projectile weight APC, 172.4 kg Length of barrel 11,236 mm Length of bore 10,905 mm (L/46.7) Length of rifling 8,986.5 mm Weight of gun 28,450 kg Elevation -5 to +35° Traverse up to 360° Muzzle velocity 823 m/s Max range ca 33,560 m