DISPOSITIF D'ARRET EN ROTATION ENTRE UN BARREAU ET UN SABOT

The technical sector of the invention is that of devices for stopping rotation between a rifled bar and a sabot of an arrow-type projectile. The device according to the invention is characterized in that it comprises at least one obstacle (6) disposed in a housing (7) made radially in the sabot (1), immobilized in translation in its housing by a locking means and one end (8) of which comes into contact with the bar (2) at the level of a bearing surface arranged at a distance from the axis (4) of the bar which is at least equal to the maximum diameter of the rifling of the bar. Application to large-caliber arrow-type munitions.