History of the Metropolitan Police Service by the end of the 19th century. During the 1860s, the flintlock pistols that had been purchased in 1829 were decommissioned from service, being superseded by 622 Beaumont–Adams revolvers firing the .450 cartridge which were loaned from the army stores at the Tower of London following the Clerkenwell bombing. In 1883, a ballot was carried out to gather information on officers' views on whether they wished to be armed, and 4,430 out of 6,325 officers serving on outer divisions requested to be issued with revolvers. The now obsolete Adams revolver was returned to stores for emergencies, and the Bulldog 'Metropolitan
Buenos Aires Metropolitan Police Buenos Aires Metropolitan Police The Metropolitan Police was the police force under the authority of the Autonomous City of Buenos Aires until it merged with the city's division of the Argentine Federal Police by creating the Buenos Aires City Police. The force was created in 2010 and is composed of 1,850 officers, and is planned to expand to 16,000. Security in the city was concurrently the responsibility of the Metropolitan Police and the Argentine Federal Police. The city government claims the force was based on the model of the British London Metropolitan Police and the New York Police Department. The