Xado - Gel - Revitalizant For Barrels of Rifled Arms (Tube 9 ml.) Features Improves accuracy of hits by 80% with the target 100 m away. Improves flatness of shots. Increases wear-resistance and durability of a barrel by 10 times. Imparts the maximum destructive power to the weapon. Restores and protects surfaces of a barrel bore from wear.