They banned hand guns after that school shooting in Scotland years ago
granted many got over the ban by using ball and powder hand guns ?
Such firearms are referred to as cap & ball (successors to flint-lock ignition) & officially classified as muzzle loading firearms.
To the best of my knowledge there hasn't been a single crime committed in the UK involving their usage & for which a section one firearms certificate is required.
The handgun ban after the '97 massacre was a political knee-jerk reaction & did virtually nothing to stem gun crime in the UK as the vast majority is committed by persons using un-licenced (or illegally modified, previously de-activated) hand guns.
Guns do not kill people ... people kill people

These poor souls are dead because bureaucracy failed to protect them from someone that was obviously mentally disturbed & should never have been allowed to own a shot-gun, requiring the granting of a licence/certificate, which is incidentally a lot easier to obtain than a Section 1 FAC.
When I next renew my FAC a declaration from my doctor relating to the state of my mental health must also be submitted.