/// <summary>
 /// Модификация оружия
 /// </summary>
 protected override void DoStuff(NPC npc)
 {
     if (isBulletModification)
     {
         npc.AddBulletModification(weaponModification, power);
     }
     else
     {
         npc.AddModification(modification, power);
     }
     RaiseItemSoldEvent();
     Destroy(this.gameObject);
 }