barrel support

barrel assembly (barrel group)

automatic heavy barrel rifle / heavy barrel automatic rifle

air support field pack, field pack air support, airborne / para (air support) / Pathfinder Bergen

gun barrel support

fire support coordinator / fire-support coordinator (FSCOORD)

tactical support syn. combat support

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

rotating barrel

spare barrel

under barrel grenade launcher (UBGL)

elevate the barrel to a desired angle

compression of grease in the barrel

heavy barrel

barrel length

tracking barrel elevating rate

anticorrosive barrel steel