PM Churchill's wartime speeches were censored by Intelligence officers to prevent breeches of secrecy. One officer had the temerity to emend a sentence that ended with a preposition, a correction that was outside the scope of his assignment. Churchill fumed, "This is arrant pedantry, up with which I shall not put."

Perhaps the purpose of proof testing is to assure the gun is safe to the shooter. Blown patterns may not be the concern of the proof house.

P.S. The letter "U" is a vowel, not a noun.

Caution: Hunting and fishing stories told here. Protective footgear may be required.