Guaranteed original. Complete & intact. This is an original Royal Ulster Rifles Regiment Cap Badge for sale. In good condition. Please see our other items for more original WW1, WW2 & post war British military cap badges for sale. The Royal Ulster Rifles (formerly Royal Irish Rifles) was a British Army infantry regiment. It saw service in the Second Boer War, Great War, the Second World War and the Korean War, before being amalgamated into the Royal Irish Rangers in 1968.