QF 4-inch naval gun Mk XIX

The QF 4-inch Mk XIX gun was a British low-velocity 4-inch 40-calibre naval gun used to arm small warships such as and and some in World War II, mainly against submarines.

Description

It succeeded the higher-velocity World War I-era BL 4-inch Mk IX (typically deployed on <nowiki />s in the escort role). The Mk XIX fired fixed ammunition which was long and weighed . The weight of the projectile was increased from for the Mk IX to for the Mk XIX. The high-angle mounting used for the XIX added some anti-aircraft capability and allowed it to fire starshells to illuminate the battle area at night.

Ammunition

Surviving examples

• On at Williamstown, Victoria, Australia.
• On the parade ground at the Irish Naval Service Base, Haulbowline, Co. Cork, Ireland

Notes

References

Bibliography

• John Campbell, "Naval Weapons Of World War Two", Annapolis : Naval Institute Press, 1985,

External links

• Tony DiGiulian, Britain 4"/40 (10.2 cm) QF Mark XIX