TOZ-55
The TOZ-55 «Zubr» ("ТОЗ-55 «Зубр»") is a Soviet double-barreled combination gun for big-game hunting. History. In the early 1970s N. I. Korovyakov began work on design the new model of double-barreled combination gun based on design of his TOZ-34 shotgun. In 1975, first TOZ-55 «Zubr» shotguns were made. In April 1987, it was announced that Tula Arms Plant would begin mass production of new TOZ-84 shotgun and this gun will replace in production TOZ-34, TOZ-55 and TOZ-57. After this, production of TOZ-55 was discontinued. However, even in December 1988 TOZ-55 was most common hunting firearm in  9×53mmR caliber in the Soviet Union. After the fall of the Soviet Union, some unfinished TOZ-55 shotguns and their spare parts remained in Tula Arms Plant. In 1990s it was announced that new TOZ-55-2 «Zubr» combination gun will be made. However, due to the economic crisis in Russian Federation in 1992 production of 9×53mmR ammunition was discontinued and TOZ decided not to make this model and to continue production of TOZ-34. Design. TOZ-55 is an over and under hammerless shotgun, with one barrel above the other. All TOZ-55s were equipped with three pairs of detachable chrome plated barrels All  TOZ-55s have iron sights and they were equipped with scope base for optical sight. All TOZ-55 have a walnut stock and fore-end, some of them were decorated with engravings.