FIREARM AT LEAST WITH TWO VERTICALLY ARRANGED BARRELS AND VARIABLE GEOMETRY OF THEIR RELATIVE POSITION AND METHOD FOR ADJUSTMENT OF THIS GEOMETRY Russian patent published in 2006 - IPC F41A21/08 

FIELD: small arms, applicable in multibarreled weapon with vertically arranged barrels.

SUBSTANCE: in a firearm at least with strip except for the section positioned at the outlets of the barrels, the front sections of the barrels converging when they are not separated by the action of a force, according to the invention, the strip is fastened on the lower barrel practically up to its outlet and is not linked with the upper barrel in the section from its outlet, in the front section the upper barrel is enveloped by a ring tacking it away due to elastic deformation from the strip and, consequently, from the lower barrel, the ring is held in the respective place by the fore-sight base that is fastened at the end of the upper barrel.

EFFECT: provided a quick and precise adjustment of the barrels and enhanced close grouping of fire.

11 cl, 5 dwg