The regiment was renamed the His Majesty's 1st Regiment of Carabiniers in 1740 and it took part in the response to the Jacobite rising in 1745. It was then transferred to the Irish establishment in 1746 and re-ranked as the 3rd Horse. It was next re-designated the 3rd Regiment of Horse (Carabiniers) in 1756 and then transferred back to the British establishment as the 6th Regiment of Dragoon Guards in 1788. It saw action in Flanders again in 1793 during the French Revolutionary Wars. It then became the 6th Regiment of Dragoon Guards (Carabineers) in 1826. It saw action at the Siege of Sevastopol during the Crimean War and was deployed to Afghanistan in the late 1870s during the Second Anglo-Afghan War.