FIELD: weapon and ammunition.
SUBSTANCE: method includes preparation of bore surface and coating. Bore surface is prepared with mixed native minerals and biological enzyme systems dissolved and suspended in isopropyl alcohol at temperature 50°...80°C within 60...90 minutes. Then it is covered with polyfunctioning composition of mixed homogeneous and heterogeneous catalysts and dispersion-hardening systems in viscous carrier. Further layer is heat-treated within 2...4 hours at temperature 110°...120°C. Then bore is assembled, firearm is loaded with bullet or shell and shooting is made for hardening of applied coating. Number of shots depends on barrel bore calibre.
EFFECT: provided antifriction, wear-resistant and anticorrosive protective coating of barrel bore; correction of its internal geometry and elimination of erosion-and-corrosion wear and internal splits.
2 cl, 4 dwg
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