Oak stock

An oak stock is required to make a blurite crossbow. Oak stocks are cut from oak logs at Fletching level 24, granting 16 experience. An oak stock can be attached to blurite crossbow limbs at Fletching level 24, granting 32 experience, to make an unstrung blurite crossbow. Oak stocks can also be purchased at crossbow shops, such as the one in Keldagrim. Oak stocks are also a very rare drop from Imps.

Dropping monsters
Oak stock