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 During the 1860s, the flintlock pistols that had been purchased in 1829 were decommissioned from service, being superseded by 622 Beaumont–Adams revolvers firing the .450 cartridge which were loaned from the army stores at the Tower of London following the Clerkenwell bombing.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
Metropolitan Police District although within the boundaries of the MPD, are policed by the Metropolitan Police. The Greater London Authority Act 1999 defines the Metropolitan Police District as consisting of "Greater London, excluding the City of London, the Inner Temple and the Middle Temple." The City of London has its own police force, the City of London Police, which also covers the Inner and Middle Temples. As constables of both forces are empowered throughout England and Wales, mutual assistance is a routine matter. The City of London has limited policing jurisdiction with parks constabularies within their lands at Hampstead Heath and Epping Forest