COMBINATION RIFLE Russian patent published in 2006 - IPC F41C7/11 

FIELD: small arms, applicable in multibarreled revolver-type firearm for co-operative, sport and amateur hunting, as well as in police operations.

SUBSTANCE: the combination rifle has a block of horizontal barrels, locking mechanism, drum and a trigger mechanism including a hammer with a spring, trigger and a charge lever. The block of rifle barrels in addition is provided with a pair of vertical barrels of a different caliber differing from the caliber of the horizontal barrels, the drum is combined with the cartridge chamber installed in a frame linked by the front wall with the block of barrels whose horizontal barrels correspond to the cartridge chambers positioned in the drum circumference, having a concentric position relative to the circumference that is described by the centers of the holes positioned for loading of the upper vertical barrel between the chambers for the horizontal barrels. The lower barrel is positioned in the guide sleeves of the drum and the block of barrels for longitudinal motion along of barrels for longitudinal motion along the drum axis, and the locking mechanism is combined with the trigger mechanism and provided with a striker pin for the lower barrel installed for reciprocating motion in the cavity of the hammer.

EFFECT: enhanced reliability, universality and rate of fire of the multicharge weapon.

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