зовнішній профіль ствола
contour line (contour)
barrel assembly (barrel group)
automatic heavy barrel rifle / heavy barrel automatic rifle
adjacent contour
contour
contour interval
depth contour
index contour line (cart.)
intermediate contour line
supplementary contour
Functional Hardware and Software Contour (FHSC)
wing contour
contour chart
contour flying
contour line
contour search
approximate contour
terrain contour matching (TERCOM, TERRCOM)
depression contour
axis of the barrel
barrel
barrel bomb
barrel bore wear level
barrel extension
barrel latch
barrel life
barrel link
barrel lock lever
barrel weight
hand-held under-barrel grenade launcher
length of barrel
open barrel sight