The surviving references describe BR-471B as a short-lived wartime improvement that stayed useful after the war because Soviet heavy tanks and guns kept the 122 mm system in service.
| Topic | Source-backed detail |
|---|
| Development | Tankograd says BR-471B was tested in summer 1944 and began supplanting BR-471 in 1945. |
| Ballistic context | Tank Archives' comparative-penetration article gives the 122 mm D-25 gun's trial results against Panther armor, useful context for BR-471B's improved anti-armor role. |
| Heavy-tank context | Tankograd says the round was originally available to the T-10 in 1953, and Tank Archives notes that the Soviets kept the 122 mm gun on heavy tanks until the T-10 era. |
| Visible plate | The Wikimedia Commons ammunition plate for the A-19 and D-25T family labels BR-471B among the listed shells. |