breech ring (of firearm)

казенна частина; казенник (стрілецької зброї); гвинтове кільце із гніздом затвора

base junction; rotary collector ring (box); rotary base junction (of a tank); rotary connection; slip ring; traverse rotary base junction

life ring (ring buoy)

automatic firearm

hand-operated firearm

semiautomatic firearm

tubular firearm

repeating firearm

cock (the hammer of a firearm)

firearm check in/out

front sight (of firearm)

breech mechanism

breech-loading gun

lever breech mechanism (LBM)

breech piece socket

breech boresight

breech block pivoted below the level of the chamber

closed-breech scavenger system

blow-back breech block

breech and barrel assy

breech assembly

breech carrier plate

breech casing (of quick-firing ordnance)

breech cleaning brush