стінки каналу ствола
erosion of bore (in the bore)
naval surface forces, surface fleet, surface forces
surface-to-surface artillery
surface-to-surface missile (SSM)
control surface / control-surface
guided surface-to-surface missile
surface-to-surface
surface-to-surface delivery system
surface-to-surface missile (rocket)
ballistic surface-to-surface missile
axis of the bore
barrel bore wear level
bore
bore brush (swab)
bore cleaner
bore diameter
centerline of the bore
extended range full bore (ERFB)
helix along the axis of the bore
muzzle bore sight
rifle bore cleaner
smallbore (small-bore)
smooth-bore (smoothbore)
smooth-bore artillery
bore guide
big bore
bore corner
bore gauge
bore leading
bore obstruction
bore premature
bore sight