The invention relates to a shoulder stock (1, 1') for a personal weapon, comprising at least one slide rail (3a, 3b) which can be displaced together with the shoulder stock (1, 1') in relation to the arm housing and at least one catch lever (11, 11') which is rotatably mounted so that it can pivot about the longitudinal axis of the personal weapon and can be actuated manually using its outer periphery (11d). The slide rail (3a, 3b) can be locked using the catch lever (11, 11'), whereby said lever engages in a corresponding recess (13a, 13b, 23a, 23b) of the slide rail (3a, 3b), thus securing the shoulder stock (1, 1') in its respective position. The invention also relates to a corresponding catch lever (11, 11') for engaging in a/the recesses (13a, 13b, 23a, 23b) of at least one slide rail (3a, 3b) of a shoulder stock (1, 1') for a personal weapon.