Generated by DeepSeek V3.2| QF 2-pounder | |
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| Name | QF 2-pounder |
| Caption | A QF 2-pounder on a Royal Navy mounting at Imperial War Museum Duxford. |
| Origin | United Kingdom |
| Type | Anti-tank gun, Autocannon |
| Service | 1936–1945 |
| Used by | British Empire, Finland, Ireland, Nazi Germany |
| Wars | Second World War, Winter War |
| Designer | Vickers-Armstrongs |
| Design date | 1936 |
| Manufacturer | Vickers-Armstrongs |
| Production date | 1936–1944 |
| Number | ~12,000 |
| Weight | 814 kg (gun & carriage) |
| Length | 2.08 m (barrel) |
| Part length | 50 calibres |
| Crew | 4–6 |
| Cartridge | 40×158mmR |
| Caliber | 40 mm |
| Action | Semi-automatic |
| Rate | 22 rpm |
| Velocity | 792 m/s (AP) |
| Range | 1000 m (effective anti-tank) |
| Feed | Breech-loading |
| Breech | Vertical sliding-block |
| Recoil | Hydro-pneumatic |
| Carriage | Split trail |
| Elevation | -13° to +15° |
| Traverse | 360° (on naval mount) |
QF 2-pounder. The QF 2-pounder was a British anti-tank gun and autocannon that served as a primary infantry and armoured vehicle weapon during the early years of the Second World War. Designed by Vickers-Armstrongs, it entered service with the British Army in 1936 and was also widely used by the Royal Navy and the Royal Air Force in various mountings. While effective against early Axis tanks like the Panzer I and Panzer II, it was rapidly outclassed by heavier German armour, leading to its replacement by more powerful weapons such as the Ordnance QF 6-pounder.
The weapon's development stemmed from a War Office requirement in the early 1930s for a capable anti-tank gun, with Vickers-Armstrongs building upon their experience with naval guns. The design featured a long barrel, a vertical sliding-block breech, and a hydro-pneumatic recoil system, all mounted on a lightweight split trail carriage for good mobility. Key figures in its adoption included senior officers within the Royal Artillery who advocated for dedicated anti-tank units. The gun's semi-automatic operation allowed a trained crew to achieve a high rate of fire, a critical advantage in engaging fast-moving armoured targets on battlefields like those in France.
The 2-pounder first saw combat during the Battle of France in 1940, where it proved effective against the light tanks of the Wehrmacht but struggled against the thicker armour of the Panzer III. It was heavily used during the North African Campaign by units such as the 7th Armoured Division, notably at the Battle of Gazala and the Second Battle of El Alamain. In the Far East, it equipped British Indian Army formations during the Malayan Campaign and the Battle of Singapore. As the war progressed, its inability to defeat tanks like the Tiger I and Panther tank led to its gradual withdrawal from frontline anti-tank duty, though it remained in service as an infantry support gun and for training.
Several major variants were produced to suit different roles. The **Mark IX** was the standard towed anti-tank version used by the British Army. For armoured vehicles, the **Mark X** was designed for use in tanks like the Valentine tank and the Matilda II. The **Mark XIV** was a dedicated coastal artillery model used to defend Royal Navy bases such as Scapa Flow. The Royal Navy employed the **Mark VIII** on power-operated mountings for anti-aircraft warfare aboard ships like the HMS *King George V*, while the Royal Air Force used a similar mounting to protect RAF airfields across Britain.
The gun fired a fixed 40×158mmR cartridge. The primary armour-piercing round was the **AP Shot**, a solid projectile made from a hardened steel alloy. Later, the **APCBC** (Armour-Piercing Capped Ballistic Cap) round was introduced to improve performance against face-hardened armour. For training purposes, a **Practice** round was used. A high-explosive shell was developed but saw very limited issue, as the gun's primary role remained engaging armoured fighting vehicles. The ammunition was typically carried in ammunition boxes by the gun's detachment.
The primary operator was the British Empire, including forces from the United Kingdom, Australia, Canada, New Zealand, and South Africa. Captured guns were used by the German Wehrmacht under the designation **4.0 cm Pak 192(e)**. A number were supplied to Finland during the Winter War and saw use against the Red Army. The Irish Army also operated a small number for training and coastal defence. Post-war, some were used by emerging nations during various decolonisation conflicts before being retired.
Category:Anti-tank guns of the United Kingdom Category:World War II anti-tank guns Category:World War II naval weapons of the United Kingdom Category:40 mm artillery