The procedure for feeding balls (14) to the projectile chamber (11) of a handgun (1), in particular to the projectile chamber of a paintball weapon, whereby the balls (14) are fed by means of a motor from a ball container (3), through a feeder tube (2) into a projectile chamber (11), is characterized by the fact that the motor is controlled as a function of the movement of the balls (14) in the feeder tube (2). The feeding of the balls (14) to the projectile chamber (11) is controlled in accordance with the procedure which is the subject of the invention. The invention has the advantage that the motor is controlled as a function of the actual conditions prevailing inside the feeder tube (2).