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 During the 1860s, the flintlock pistols that had been purchased in 1829 were decommissioned from service, being superseded by 622 Beaumont–Adams revolvers firing the .450 cartridge which were loaned from the army stores at the Tower of London following the Clerkenwell bombing.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 Black Police Association change the membership criteria and the Met BPA has received full support from the Commissioner of the Metropolitan Police Sir Bernard Hogan-Howe QPM, The Right Honorable Theresa May Member of Parliament for Maidenhead and The Right Honorable Boris Johnson Member of Parliament for Uxbridge & South Ruislip and Lord Mayor of London. Metropolitan Black Police Association The Metropolitan Black Police Association is a staff association in the United Kingdom which represents officers and staff in the Metropolitan Police who are black or Asian. The Met BPA was not subsumed into the National Black Police Association and has continued to exist