Demonstration Of The New .280 Service Rifle: The new rifle being carried by Cpl. E. Unsworth, during to-day's demonstration at the school of infantry, Warminster. A demonstration was given today before high-ranking British and Overseas officers at the school of infantry, Warminster, of the new British .280 service rifle which is to replace the old .303 weapon, and has been the subject of recent talks between Mr. Shinwell, British Defence Minister, and U.S. Representatives at Washington. August 10, 1951. (Photo by Paul Popper, Paul Popper Ltd.).