Originally Posted by Arms Act 1983
part—
(a) in relation to a pistol, restricted weapon, or military
style semi-automatic firearm, includes any thing, such
as a butt, stock, magazine, silencer, or sight, which,
while not essential for the discharge by a pistol, re-
stricted weapon, or military style semi-automatic
firearm of any shot, bullet, missile, or other projectile,
is designed or intended to be an integral part of a pistol,
restricted weapon, or military style semi-automatic
firearm; and
(b) in relation to any other firearm, means the action for that
firearm