To provide a compact filling implement allowing fine regulation not to overflow a filler, in case of repairing work for a building or the like, and capable of safely carrying out the work.

This hand gun type filling implement includes a movable type control bar 12 for regulating a delivery amount of the filler 113 of a cartridge 11, and an implement body part 13 provided with a trigger for operating a feed mechanism for interlocking the control bar 12, and is used by fitting the cylindrical cartridge 11 storing the filler 113 in, a distal end of the control bar 12 applies pressure to a pressor 112 in an inside of the fit-in cartridge 11, via the control bar feed mechanism, by pulling the trigger of the implement body part 13, the filler 113 is delivered from a delivery port of the fit-in cartridge 11, and the control bar 12 is returned to a position before pulling the trigger, via the control bar feed mechanism, by returning the pulled trigger.