Patent ID: 8555537

Claim:
A breech device ( 100 ) for a handgun, comprising an impact base ( 120 ) that is disposed in a central recess ( 110 ) in said breech device ( 100 ) and is in the form of a front end face of an impact member ( 160 ) disposed in the central recess and a main functional region ( 150 ) disposed between said impact base ( 120 ) and a rear end face ( 140 ) of said breech device and in which at least one percussion member ( 300 ) for firing a cartridge and also a surface of a cartridge slide ( 211 ) are disposed and the surface of said cartridge slide ( 211 ) is adapted to abut cartridges mounted in a magazine ( 100 ) in a neutral position of said breech device, characterized in that: the main functional region ( 150 ) includes a main functional member ( 200 ) forming a compact unit that can be releasably anchored securely by means of a fixing device in a predefined position in an internal profile of said central recess ( 110 ) in said breech device ( 100 ); said main functional member ( 200 ) is mounted in the internal profile of said main functional region ( 150 ) and terminates, with its front end face ( 230 ), in the region of a rear end face ( 161 ) of an impact member taking the form of a bridge ( 160 ) disposed in said central recess ( 110 ); said bridge ( 160 ) is provided with a protrusion ( 164 ) which, when said main functional member ( 200 ) is mounted in said internal profile in said main functional region ( 150 ), abuts said sliding member ( 210 ) on the surface of said cartridge slide ( 211 ); and in the region of the front end face ( 230 ) of said main functional member ( 200 ) there is formed a protrusion ( 260 ) capable of moving into a corresponding recess ( 165 ) in said bridge ( 160 ), through which protuberance the bore ( 220 ) extending axially in the longitudinal direction for the accommodation of said percussion member ( 300 ) is disposed, and within said bridge ( 160 ) a bore ( 162 ) is provided which leads to the impact base and forms a continuation of the bore ( 220 ) extending through the main functional member ( 200 ) axially in the longitudinal direction.