задній сальник
parachute packing
watertight (packing) container
barrel packing machine
cork packing
water packing
double-column type of packing
jute packing
front barrel packing
packing
packing and marking
muzzle packing
breech
breech face
breech mechanism
breech ring (of firearm)
breech screw
breech-loading gun
lever breech mechanism (LBM)
breech loaded
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 blast
breech block
breech carrier plate
breech casing
breech casing (of quick-firing ordnance)
breech chamber