Most British police officers (except in Northern Ireland) are not routinely armed.
Specialist Firearms Officers are usually trained to a higher standard than AFOs, because they are likely to be required to enter besieged premises.
Like the PSNI, officers of the Belfast International Airport Constabulary are issued the Glock 17 pistol whilst on duty.
[103][104] The Civil Nuclear Constabulary use a range of heavier weapons up to automatic cannon of 30mm calibre deployed on the ships.
All Ministry of Defence Police officers are required to pass a firearms module during training (with marine units receiving additional firearms training that is specific to their role[105]) and are routinely armed unless they are posted to Crime Command.