Check the listing for details. Union Civil War Artillery Jacket - Reenactment - Size 40. Condition: New. Listed at 99.00 USD. Union Civil War Artillery Jacket - Size 40. Designated the M1858 Artillery Jacket, this jacket was standard wear for enlisted cannoneers of the Union army during the Civil War. It features red worsted wool taping, bolsters on the rear to help support the belt, and an inside breast pocket.