gunmakers.org.ukWorshipful Company of Gunmakers
Under the provisions of the Gun Barrel Proof Act, all guns sold in the United Kingdom must undergo proof to test the basic soundness of barrel and action. Together with the Birmingham Gun Barrel Proof House. The London Proof House provides proofing and other services to the British gun trade. The Proof Master may also be requested to investigate accidental gun and barrel failures. The Proof House also works through the Commission Internationale Permanente pour l’Epreuve des Armes à Feu Portatives.