The QF 6-inch is a type of naval artillery gun developed in the early 20th century, primarily used by the British Royal Navy. It features a caliber of 152 mm and was designed for both anti-surface and anti-aircraft roles. The gun was notable for its quick-firing capability, allowing for rapid successive shots, which was a significant advantage in naval combat. This artillery piece was widely deployed during both World Wars and saw service on various classes of ships, including cruisers and destroyers. Its effectiveness and versatility made the QF 6-inch a key component of naval firepower during its operational period, influencing naval tactics and ship design.