ствол, що швидко змінюється
quick-change barrel
quick detachable
barrel assembly (barrel group)
automatic heavy barrel rifle / heavy barrel automatic rifle
detachable
detachable cylinder head
detachable magazine
detachable plate
detachable rubbing plate
detachable side lock
detachable swivel
detachable valve seat
detachable wing panel
wheel detachable flange
permanent change of station
pitch change beam / link / rods
area change forecasting
change lever
change lever shank
change-lever spring
fire change lever
no significant change
speed change lever
configuration change plan (CCP)
waypoint change
change gear
change over from travelling to fire position
change wheels
change-lever shank
change-over period
change-speed gearbox
invisible change