A device for stabilizing a launcher, in particular during the firing of camouflage bodies and decoy flares or other systems in which vibrations can build up, thereby subjecting them to shocks. The device is a stabilizer (4) provided on a known damping system (1), for example a metal cable damper etc., into which a re-adjustable system (10), consisting of a rod (11) provided with a curved portion or groove, a pre-loaded device (12), a type of pressure part (13) and a type of pawl part (14), is placed. Pressure can be exerted on the curved portion of the rod (11) by the pre-loaded device (12) using the pressure part (13) and pawl part (14).