groove the sliding body 11 moreover has a catch unit for engaging the safety catch the catch unit like the safety catch and the trigger device is a conventional device which is well known to persons of ordinary skill in the art and thus is not shown in the drawings the catch unit may simply be a bar that extends into the travel path of the safety catch to prevent the safety catch from moving forward without a corresponding forward movement of the cocking slide 9 when the cocking slide 9 and the safety catch are engaged the sliding body 11 protrudes laterally and outwardly from under the clamping bar 5 the outer end of the sliding body 11 is branched both of the side plates of this branched end are penetrated by a pivoting axis 17 the pivoting axis 17 extends in parallel to the longitudinal slot 3 of the weapon and to the clamping bar 5 the cocking slide 9 includes a straight largely hollow handle 13 one end of the handle 13 is supported in a swivelable manner on the pivoting axis 17 the end of the handle 13 supported on the axis 17 includes a curved part 21 this end of the handle 13 also has two catching depressions not shown a spring with an engaging ball not shown is seated in the sliding body 11 the positional coordination of the engaging ball and the catching depression is such that the handle 13 can be.