The QF 18-pounder was a British field gun used during World War I and into World War II. It was designed to fire a 18-pound (8.2 kg) shell and was known for its versatility and effectiveness on the battlefield. The gun could be towed by horses or vehicles, making it mobile and adaptable to various combat situations. Introduced in 1904, the QF 18-pounder played a crucial role in many battles, including those on the Western Front. Its quick-firing capability allowed for rapid shots, providing essential support to infantry units. The gun's design influenced later artillery developments, including the QF 25-pounder.