The QF 6-inch Gun is a British naval artillery piece developed in the early 20th century. It was primarily used by the Royal Navy during World War I and World War II. This gun was designed for both naval and coastal defense, featuring a quick-firing mechanism that allowed for rapid firing rates. The QF 6-inch Gun had a caliber of 152 mm and was mounted on various warships, including cruisers and battleships. Its versatility made it effective against both surface targets and aircraft. The gun's design contributed to advancements in naval artillery technology during its time.