Self-loading pistol has barrel and breechblock with ignition pin striking cartridge in barrel to fire it, contact area of breechblock with cartridge having at least one raised formation and-or recess

摘要

The contact area (10) of the breechblock (4) in the area of the ignition caplet (8) of the cartridge is provided with raised formations and/or recesses (12). The raised formations and/or recesses on the breechblock (4) are arranged around an ignition pin aperture (6). They are formed as transversal or radial grooves, cavities, sunken formations or similar.