| Canon de 155 GPF mle.1917 | |
|---|---|
 155 mm GPF gun in travel position at US Army Ordnance Museum | |
| Type | Field gun, Coastal artillery |
| Place of origin | France |
| Service history | |
| In service | 1917–1945 |
| Used by | France Australia Brazil Chile Finland Nazi Germany Royal Italian Army Imperial Japan Philippines Free Poland United States |
| Wars | World War I World War II |
| Production history | |
| Designer | Colonel Louis Filloux |
| Manufacturer | Renault Atelier de Bourges Atelier de Puteaux |
| Specifications | |
| Mass | Travel: 13,000 kg (28,660 lbs) |
| Barrel length | 5.915 m (20 ft) L/38.2 |
| Shell | separate-loading, cased charge. 43 kg (95 lb) |
| Caliber | 155 mm (6.10 in) |
| Recoil | 1.8m 10° to 1.1 28° |
| Carriage | split trail |
| Elevation | 0° to +35° |
| Traverse | 60° |
| Rate of fire | 2 rounds per minute |
| Muzzle velocity | 735 m/s (2,411 ft/s) |
| Maximum firing range | 19,500 m (21,325 yds) |
The Canon de 155 Grande Puissance Filloux (GPF) modèle 1917 was a WWI-era French-designed 155 mm gun used by the French Army and the United States Army during the first half of the 20th century in towed and self-propelled mountings.