 mount consisted of a U shaped cradle which held the trunnioned barrel and a slightly inclined rectangular metal firing platform with a hydro-gravity recoil system.When the howitzer fired two hydraulic buffers at the sides of the platform slowed the recoil of the cradle which slid up a set of inclined rails and then returned the howitzer to position by the combined action of the buffers and gravity.The firing platform had two small wheels at the front and two larger wheels at the rear which rotated on a crescent-shaped steel rail that was fixed to a wooden base and gave 90° of traverse.