gasring

Ordnance: the exact size of the caliber of the gun, and used as 1. A thin plate of steel or copper, perforated to loading rifle, and Broad well's breech-loading ord a face-plate to the breech-block in Sharp's breech nance, adopted by the Pru ian Government. The breech-block is chambered out larger than the hole in the plate, so that the gas from the explosion of a charge flies back into the chamber and pre es the plate or ring forward against the breech of the gun; a gas-check. 2. A thin flanged plate of copper or gun-metal fixed to the base of a projectile to prevent the escape of gas forward, and serving also to rotate the shot. ( Boyle .) burners, ., for gas. gas-service, s. Gas-fittings or fixtures; pipes,