Asrai Longbows

To carry one of the famed Longbows of Athel Loren is to possess the finest weapon a hunter could possibly wield. If the eye is true, there is no quarry such a weapon cannot slay. With a range of 30 '', arrows shot from such longbows can pierce armor, and allow for volley fire.

Source
Warhammer Armies: Wood Elves (8th Edition) -- pg. 37