Valée also improved the guns themselves slightly, by making them lighter, and with a longer range. The complete Valée system consisted in siege guns of 24 and 16 pounds (French pounds), and field guns of 12 and 8 pounds. It also included field howitzers of 24 pounds and 6 inches (Obusier de 15 cm), and a siege howitzer of 8 inches. Mountain artillery pieces were of 12 pound caliber. Mortars were of 12, 10 and 8 inches, with a 15 inches stone mortar.