| 摘要 |
A firearm, for example a semiautomatic weapon, in particular an automatic pistol, has control elements for controlling several operation or adjustment functions of the weapon. By means of an easily exchangeable functional element (9.9') for example a cam disk, it is possible to determine which operation or adjustment function, among all functions made possible by the weapon control elements, the user can set at his weapon. The functional element (9,9') and/or a component (5) for holding the functional element (9,9') is designed and arranged in such a way that it can only be easily fitted in and removed from the firearm not assembled or only disassembled into its main parts (1,4), but also replaced by another type of functional element. The functional element (9,9') can be non-rotatively stuck on and removed from a rotary shaft (5), for example the hammer shaft. It is proved at its periphery with notches (9c) corresponding to determined angular positions of the shaft (5) in which the shaft (5) actuates control elements of the weapon for controlling various operation or control functions of the weapon.
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