M1840 Artillery Enlisted Saber In 1840 the War Department adopted a second saber based upon a French pattern for the light artillery companies of the regular artillery regiments. A handsome and essentially serviceable weapon, it remained regulation issue for light artillery for approximately 50 years. Overall length is 37 1/4" and the blade length is 31 6/8". Artillery First Sergeant with M1840 Artillery Saber. - Army Quartermaster Museum, Ft. Lee, Virginia.