Wear of cannon 2A46 barrel bore

No input data. – 5 p.The paper provides information about a successful evaluation and also an analysis of character of bore wear of the barrel of T-72 tank, which is still in service in number of armies throughout the world. Three types of the wear of driving parts of the barrel bore were documented. There are in original way mathematically formulated conditions of formation of a specific type of wear caused by firing the armour piercing discarding sabot 3BM-9 and 3-BM-15 projectiles in the paper.