A net launching system comprising a net launcher (100, 200) and multi-component projectile, wherein the net launcher comprises a barrel for accelerating the multi-component projectile and a fire mechanism for firing the multi component projectile in the barrel by causing the pressure at one end of the barrel for accelerating the multi-component projectile, wherein the multi-component projectile comprises a plurality of weights connected by a net, wherein the multi-component projectile is configured to open the net by the radial forces on the weights caused by a rotation of the multi-component projectile, characterized in that the barrel has a twisted form configured to cause a rotation of the multi-component projectile around the longitudinal axis of the barrel, when the multi-component projectile is accelerated in the barrel, and the multi-component projectile in the barrel before being fired by the fire mechanism has a twisted form corresponding to the twisted form of the barrel such that the acceleration of the multi-component projectile along the longitudinal axis of the barrel causes the rotation of the multi-component projectile around the longitudinal axis of the barrel, wherein the net launcher is additionally characterized in that a) the net comprises a number of cord ends, wherein each cord end is wrapped around one of the weights, and/or in that b) the barrel and the multi-component projectile charged in the barrel forms a replaceable cartridge configured to be connectable to the net launcher for firing the charged multi-component projectile and to be removable from the net launcher after the multi-component projectile has been fired for connecting a new cartridge charged with a new multicomponent projectile. wherein the net launcher comprises a barrel for accelerating the multi-component projectile and a fire mechanism for firing the multi component projectile in the barrel by causing the pressure at one end of the barrel for accelerating the multi-component projectile, wherein the multi-component projectile comprises a plurality of weights connected by a net, wherein the multi-component projectile is configured to open the net by the radial forces on the weights caused by a rotation of the multi-component projectile, characterized in that the barrel has a twisted form configured to cause a rotation of the multi-component projectile around the longitudinal axis of the barrel, when the multi-component projectile is accelerated in the barrel, and the multi-component projectile in the barrel before being fired by the fire mechanism has a twisted form corresponding to the twisted form of the barrel such that the acceleration of the multi-component projectile along the longitudinal axis of the barrel causes the rotation of the multi-component projectile around the longitudinal axis of the barrel, wherein the net launcher is additionally characterized in that a) the net comprises a number of cord ends, wherein each cord end is wrapped around one of the weights, and/or in that b) the barrel and the multi-component projectile charged in the barrel forms a replaceable cartridge configured to be connectable to the net launcher for firing the charged multi-component projectile and to be removable from the net launcher after the multi-component projectile has been fired for connecting a new cartridge charged with a new multicomponent projectile. a) the net comprises a number of cord ends, wherein each cord end is wrapped around one of the weights, and/or in that b) the barrel and the multi-component projectile charged in the barrel forms a replaceable cartridge configured to be connectable to the net launcher for firing the charged multi-component projectile and to be removable from the net launcher after the multi-component projectile has been fired for connecting a new cartridge charged with a new multicomponent projectile.