US Patent 7493718 Rifle with shoulder support

A rifle has a shoulder support and at least one barrel connected to the shoulder support. A trigger is provided and a chamber is arranged behind the trigger when looking in a direction from a front end of the barrel toward the shoulder support. A movable breechblock has a closed position in which the chamber is closed off. At least one firing pin for firing a cartridge inserted into the chamber when the trigger is triggered is provided. A coupling mechanism connects the shoulder support or a swivel arm to the breechblock. The breechblock is movable by a pivot movement of the shoulder support or the swivel arm transmitted by the coupling mechanism. An axis of rotation of the shoulder support or the swivel arm is arranged within a space delimited by the breechblock and the trigger viewed across a length of the rifle.