breech-block

The report, written in Afrikaans, referred to the breech-block.

ANC Daily News Briefing 1993

On firing, the gas presses back the cup against the rounded end of the breech-block, and thus forces the lips hard against the copper ring.

Scientific American Supplement, No. 324, March 18, 1882 Various

The breech-block is side-hinged, and it is opened and the shell is thrown out by simply bringing the gun to half cock.

Scientific American, Volume 22, No. 1, January 1, 1870 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures. Various

He went on to explain that the explosion was something like that which occurs when the breech-block of a big navy gun is not properly in place.

Lost on the Moon Or, in Quest of the Field of Diamonds Roy Rockwood

The projectile and powder had been put in, the breech-block screwed into place, the primer had been inserted, and all that remained was to press the button that would make the electrical connection, and explode the charge.

Tom Swift and His Giant Cannon, or, the Longest Shots on Record Victor [pseud.] Appleton

In the French Marine the escape of gas is stopped very much as in Krupp's system; a Broadwell ring is let into a recess in the end of the bore, and a plate on the face of the breech-block abuts against it.

Scientific American Supplement, No. 324, March 18, 1882 Various

It was promptly surrounded, and the breech-block and muzzle were destroyed with gun-cotton by Lieutenant Digby Jones,

South Africa and the Transvaal War, Vol. 2 (of 6) From the Commencement of the War to the Battle of Colenso, 15th Dec. 1899 Louis Creswicke

Then, once more, the breech-block was slotted home, and the trailing electric wires unreeled to lead to the bomb-proof.

Tom Swift and His Giant Cannon, or, the Longest Shots on Record Victor [pseud.] Appleton

A stalk passes through the breech-block, its foot being secured on the exterior.

Scientific American Supplement, No. 324, March 18, 1882 Various

Still, there is some chance of an accident, for, no matter how carefully you calculate the strain of a bursting charge of powder, and how strongly you construct the breech-block to stand the strain, there is always the possibility of a flaw in the metal.

Tom Swift and His Giant Cannon, or, the Longest Shots on Record Victor [pseud.] Appleton