Gun Barrel Proof Act 1950
1950 c.iii
An Act to confer further powers upon the Master Wardens and Society of the Mystery of Gunmakers of the City of London and the Guardians of the Birmingham Proof House to amend the Gun Barrel Proof Act 1868 and for other purposes.
[23rd May 1950]

Whereas—
Act extended to Scotland and Northern Ireland by Gun Barrel Proof Act 1978 (c. 9), ss. 6, 9(3)
(1) The Master Wardens and Society of the Mystery of Gunmakers of the City of London (hereinafter called “the Gunmakers Company”) and the Guardians of the Birmingham Proof House (hereinafter called “the Guardians”) respectively carry on undertakings in London and Birmingham for the purpose of proving and marking the barrels of hand guns and other small arms with a view to ensuring good workmanship and reducing the risk of accident and for this purpose the Gunmakers Company and the Guardians respectively have provided and maintain and carry on proof houses and employ proof masters and other persons having the necessary qualifications for the work involved:
(2) The Gunmakers Company were constituted and incorporated by royal charter dated the fourteenth day of March sixteen hundred and thirty-seven which charter was amended by a supplemental charter dated the nineteenth day of August eighteen hundred and ninety-two:
(3) The Guardians were originally constituted and incorporated by an Act passed in 1813 under the name of “the Guardians Trustees and Wardens of the Gun Barrel Proof House of the Town of Birmingham” and by an Act passed in 1815 they were re-incorporated under that name and certain provisions were enacted with respect to the proving and marking of the barrels of small arms at the proof houses of the Gunmakers Company and the Guardians (together hereinafter referred to as “the two companies”):
1813 c. cxv.
1815 c. lix.
(4) By an Act passed in 1855 the said Acts of 1813 and 1815 were repealed incorporation of the Guardians was continued under the name of “the Guardians of the Birmingham Proof House” and new provisions were enacted with respect to the constitution of the Guardians and with respect to the proving and marking of the barrels of small arms at the proof houses of the two companies:
1855 c. cxlviii.
(5) By the Gun Barrel Proof Act 1868 (hereinafter called the Act of 1868) the Act of 1855 was repealed the incorporation of the Guardians was continued and new provisions were enacted with respect to the constitution of the Guardians and the proving and marking of the barrels of small arms at the proof houses of the two companies:
1868 c. cxiii.
(6) The Gunmakers Company was formed as an incorporation of the persons using at the time of incorporation or thereafter the art of gunmaking within the city of London and the liberties thereof and within four miles compass thereof The charter authorised the company to meet from time to time and elect a master two wardens and ten or more assistants who were to act together as a court to manage the affairs of the company The master and wardens hold office for a year and new appointments are made by the court from among the assistants. The assistants hold office until death or earlier removal for good cause and vacancies are filled by the court New members or freemen of the company are admitted by the court Persons exercising the art of gunmaking within the city of London or the liberties thereof or within ten miles thereof are placed within the jurisdiction of the court:
(7) The Guardians as reconstituted under the Act of 1868 consist of all justices of the city of Birmingham and three members of the city council appointed annually by that council and fifteen elected Guardians being persons who are or have been master gunmakers or master gun barrel makers carrying on business in or within ten miles of the city of Birmingham at premises of annual value not less than twenty-five pounds such persons being registered under the said Act as members of the Birmingham gun trade and being elected as Guardians at yearly meetings of the Birmingham gun trade In the case of a joint stock company carrying on such business the annual value of the premises must be not less than seventy-five pounds and the company is represented by three directors or two directors and the secretary:
(8) The Act of 1868 requires the Gunmakers Company and the Guardians respectively to maintain proof houses in or near London and Birmingham and authorises them to provide branch proof houses in or within ten miles from the cities of London and Birmingham respectively The Act also confers and imposes various powers and duties on the two companies with respect to the proving and marking of the barrels of small arms and the carrying on of their proof houses and imposes punishments and penalties for offences in relation to the stamping and marking of the barrels of small arms and dealings with small arms not marked as duly proved:
(9) Section 118 of the Act of 1868 provides as follows:— “For all barrels duly proved at the proof house or any branch proof house of the two companies respectively they respectively may demand and take such sums as they respectively may from time to time appoint not exceeding such sums as are specified in Schedule C to this Act annexed.”
The scale of maximum prices prescribed in the said Schedule C is not appropriate to modern conditions and it is expedient to substitute the scale set forth in the schedule to this Act:
(10) It is expedient that the other provisions contained in this Act be enacted:
(11) The purposes of this Act cannot be effected without the authority of Parliament:

1 Short and collective titles and commencement.
(1) This Act may be cited as the Gun Barrel Proof Act 1950.
(2) The Gun Barrel Proof Act 1868 and this Act may be cited together as the Gun Barrel Proof Acts 1868 and 1950.
1868 c. cxiii.
(3) This Act shall come into operation on the first day of October nineteen hundred and fifty.

2 Interpretation.
In this Act unless the context otherwise requires—
“The Act of 1868” means the Gun Barrel Proof Act 1868;
“The Gunmakers Company” means the Master Wardens and Society of the Mystery of Gunmakers of the City of London;
“The Guardians” means the Guardians of the Birmingham Proof House;
“The two companies” means the Gunmakers Company and the Guardians;
“The Minister” means the Secretary of State;
Other words and expressions to which meanings are assigned by section 4 of the Act of 1868 have the same respective meanings.
1868 c. cxiii.
Words substituted by virtue of S.I. 1959/1768 (1959 I, p. 1793), art. 3(1), 1959/1828 (1959 I, p. 1802), art. 2 and Defence (Transfer of Functions) Act 1964 (c. 15), ss. 1(2), 3(2)

3 Increase of authorised maximum prices for proof.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
S. 3 repealed (15.7.1996) by the Deregulation (Gun Barrel Proving) Order 1996 (S.I. 1996/1576), art. 3(2)(a)

4 Power for Minister to revise maximum prices for proof.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
S. 4 repealed (15.7.1996) by the Deregulation (Gun Barrel Proving) Order 1996 (S.I. 1996/1576), art. 3(2)(a)

5 Amendment of provision as to application of money by Guardians.
Section 94 (Application of monies by Guardians) of the Act of 1868 is hereby amended as follows:—
(a) the words “and whenever such fund exceeds ten thousand pounds the Guardians shall” shall be omitted; and
(b) the words “ reduce the prices ” shall be substituted for the words “reduce the charges”.
The text of ss. 3(2), 5 is in the form in which it was originally enacted: it was not reproduced in Statutes in Force and does not reflect any amendments or repeals which may have been made prior to 1.2.1991.

6 Expenses of Act.
All the costs charges and expenses of and incident to the obtaining and passing of this Act or otherwise in relation thereto shall be paid by the Gunmakers Company and the Guardians respectively in equal shares and any moneys from time to time belonging to the Gunmakers Company or the Guardians may be applied in payment of the share of the said costs charges and expenses payable by that body.

SCHEDULE Maximum Prices for Proof

Part I Smooth Bore or Muzzle-Loading Arms
No. of gauge (See Note B below)		First Class (Single barrelled muzzle-loading arms of smooth bore)	
Second Class (Double barrelled muzzle-loading arms of smooth bore)	Third Class (Muzzle-loading rifled arms)	Fourth Class(Breach-loading arms of smooth bore)	
		Provisional proof	Definitive proof
	s. d.	s. d.	s. d.
A to 3	50 0	50 0	50 0
4 to 6	11 6	10 6	10 6
7 to 9	11 6	3 0	7 0
10 to 50	5 0	1 6	4 0
Smaller than 50	As for Class V of similar bore	1 6	4 0

Part II Breech-Loading Rifled Arms
		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

Part III Sundry Arms
Cattle killers—		
	s.	d.
·310 bulleted ... ... ... ... ... ...	2	0
·220 and captive bolt ... ... ... ... ...	1	6
Signal pistols and alarm guns—		
1 inch diameter or less ... ... ... ... ...	2	0
1½ inch diameter or more ... ... ... ...	3	0
Note A. The above prices are per barrel. The price for the proof of a barrel or tube which does not fall within any of the above classes shall be per proof shot fired per barrel or tube respectively such sum as the two companies shall from time to time deem reasonable having regard to the cost and labour and in any case not more than one shilling and sixpence or twice the cost of materials used in such proof shot (whichever is the greater).
Where no price is provided for provisional proof the price which may be demanded and taken for such provisional proof shall not exceed the price provided in respect of the definitive proof of a barrel or tube of similar gauage.
Note B. The letter A and the numbers in the first column of Part I of this schedule refer to the same letters and numbers as appearing in the first column of the table headed “Scale for proof of small arms of every description except rifled small arms” contained in Schedule B to the Act of 1868.
Note C. A further sum not exceeding one-sixth of the respective price for the respective gauge may be demanded and taken for each additional shot over six in respect of revolving pistols exceeding six shots.
Sch. repealed (15.7.1996) by the Deregulation (Gun Barrel Proving) Order 1996 (S.I. 1996/1576), art. 3(2)(a)

SCHEDULE Maximum Prices for Proof

Part I Arms of the First, Second and Third Classes
(see Notes A and B below)

Arms of the First Class
	Maximum price per barrel		
Nominal Bore	Provisional Proof	Definitive Proof	Special Definitive Proof
4...........................	£8·70	£8·70	£13·5
8...........................	£5·55	£6·60	£9·90
Smaller than 8.........	£3·30	£6·60	£9·90
Arms of the Second and Third Classes
(see Notes A, B, D, below)
	Maximum price per barrel		
		Third Class	
Nominal Calibre (in inches)	Second Class	Revolvers See Note C below	OtherArms
Over . 449...............	£5·70	£5·40	£3·15
·449 –370.................	£4·35	£4·70	£2·25
·369–310.................	£3·30	£3·85	£1·95
·309–230	£3·30	£3·30	£1·95
·229 or smaller diameter...........	£3·15	£2·80	£1·95
Certain Arms of the Fourth Class
(see Notes A and B below)
	Maximumprice
Cattle killers—	perbarrel
·310 bulleted....................................................	£2·25
·220 and captive bolt..........................................	£1·65
Signal pistols and alarm guns:	
1 inch diameter or less........................................	£2·25
1½ inch diameter or more....................................	£3·30

Part II Arms of the Fourth Class not specified in Part I of this Schedule
(see Notes A and B below)
The maximum price shall be per proof shot fired per barrel and shall not exceed the sum of thirty-seven pounds fifty pence or twenty times the cost of materials used in such proof shot whichever may be the greater.
Note A The classification of arms used in this Schedule is that contained in the Rules, Regulations and Scales applicable to the Proof of Small Arms made in the month of October 1954 under authority of the Act of 1868.
Note B Where no maximum price is provided for provisional proof the maximum price which may be demanded and taken for such provisional proof shall be the same as the maximum price provided in respect of the definitive proof of a barrel of same nominal bore or calibre.
Note C Where the capacity of the cylinder of a revolver exceeds six rounds a further sum, not exceeding one-sixth of the respective maximum price for the nominal calibre, may be demanded and taken for each round exceeding six.
Note D A further sum, not exceeding one-half of the respective maximum price for the nominal calibre, may be demanded and taken for the proof of an arm of the Second or Third Class in respect of which the length or capacity of the case of the Service Cartridge exceeds, by at least one-fifth, that of other Service Cartridges used in arms of the same Class and nominal calibre.
Sch. repealed (15.7.1996) by the Deregulation (Gun Barrel Proving) Order 1996 (S.I. 1996/1576), art. 3(2)(a)