DOUBLE BALLISTICS BARREL Russian patent published in 2020 - IPC F41A21/00 F41C3/00 F41F1/00 

FIELD: machine building.

SUBSTANCE: invention relates to machine building, is intended for throwing solid bodies, projectiles and can be used in various industries, as well as for designing and manufacturing of shafts of various types. Barrel of double ballistics is barrel (4) for round projectile (13), on inner surface of channel of which there is longitudinal rifle (1) or longitudinal rifle (1) with two longitudinally located grooves (2). Grooves (2) are located opposite to each other with location of rifle (1) between them. Fastening of barrel (4) is equipped with a mechanism for scrolling barrel by 360 degrees relative to axis of barrel bore with fixation and marking by a specified angle of rotation.

EFFECT: efficient operation is provided for targets protected by area folds, in trenches, trenches, in forest belt, in mountain conditions, in urban conditions and directly in buildings, including multi-storey buildings, reduced dispersion and reduced consumption of ammunition, increased accuracy of firing on protected artificial and natural barriers targets, as well as prevention of counter battery exposure.

1 cl, 4 dwg