从轻武器中发射出的步枪枪榴弹，由一个枪榴弹弹体。一个发射管和一个发火装置组成。发火装置是由安装在枪榴弹弹体面向发射管一端的撞击火帽和处于保险位置、距火帽有一定距离的击针组成。在枪榴弹发射时，由于受到撞击，击针向火帽和弹体所载物质之间有一个延期管，在预定的延时后引燃弹内物质。 Rifle grenades fired from light weapons consist of a grenade projectile. A launch tube and a firing device. The pyrotechnic device consists of a percussion cap mounted at the end of the grenade projectile facing the launch tube and a firing pin at a safe location at a distance from the fire cap. During the launch of the grenade, there was an extension tube between the firing pin and the contents of the projectile, which ignited the projectile after a predetermined delay due to the impact.