# Gun Barrel Proof Act 1950, Part II: Breech-Loading Rifled Arms

Extent: E+W+S+N.I.

Fifth Class
(Breech-loading rifled arms (including express rifles) declared for use with black powder only) (excluding pistols)
Diameter of bore of breech-loading arms (inches)
Eighth Class
(Breech-loading rifled arms specially constructed for use with shot and bullet having the whole or a portion only of their bore rifled and not being of the Fifth Class)
Sixth Class
(Breech-loading rifles declared for use with nitro powders not being of the Seventh Eighth or Tenth Class)
Pistols of Fifth Class and automatic pistols of Ninth Class
Ninth Class
(Revolving pistols) (up to six shots) (see Note C below)
Seventh Class
(Breech-loading rifled arms chambered to take a military small arm cartridge and not being the Tenth Class)
Tenth Class
(Breech-loading rifled military arms)
s. d.
s. d.
s. d.
s. d.
over ·450
8 6
5 0
2 6
3 6
·450–·370
8 6
4 0
2 0
3 0
·369–·310
8 6
3 0
1 9
3 0
·309–·230
8 6
3 0
1 9
2 6
·229 or smaller diameter
8 6
2 3
1 9
2 0

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Source: https://www.legislation.gov.uk/ukla/Geo6/14/3/schedule/part/II (the official version)
Page: https://openlegislation.uk/gun-barrel-proof-act-1950/schedule/part-II
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.