CANNON Russian patent published in 2017 - IPC F41F1/00 

FIELD: weapons and ammunition.

SUBSTANCE: invention refers to the area of weaponry, particularly, to the cannons. The cannon contains a barrel, a barrel casing, a bolt carrier or a bolt bar, and a breechblock, where the breechblock is not locked for a shot. The barrel is equipped with a circular groove, in which a spacer ring is located with a gap. The spring-loaded bolt has a hollow, in which there is an operating rod located coaxially, on the tip end of which, on a thread, a firing pin with a shell baffle and cutter is located. The hollow is divided to chambers: a combustion chamber, s dispenser chamber, and an air chamber. Via a hole in the bolt, the groove, a nipple, and a tube in a stock, the air chamber intercommunicates with an air hollow of an explosives reservoir located in a handle. Via the hole in the bolt, the groove, the nipple, and the tube in the stock, the dispenser chamber intercommunicates with an explosives hollow of the reservoir.

EFFECT: cannon structure is used as a hand firearm with the possibility to use a caseless ammunition in it.

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