ствол, що обертається
barrel assembly (barrel group)
automatic heavy barrel rifle / heavy barrel automatic rifle
rotating (radio) beacon
rotating band / driving band
block rotating cam
open contra-rotating propfan
rotating grooved AT fin-stabilized discarding sabot projectile
contra-rotating power turbine
rotating stall
swash plate non-rotating ring
swash plate rotating ring
contra-rotating propellers
rotating liquid
rotating radio beacon
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
quick-change barrel
rear of the barrel
reinforced barrel
rifled barrel
spare barrel