Craft Masterwork Ranged Weapon( Unearthed Arcana, p. 99)
You are trained in the creation of fine ranged weapons and ammunition, such as bows, crossbows, and arrows.
Craft (bowmaking) 6 ranks,
You gain 100 craft points. You may use craft points to create a masterwork ranged weapon or masterwork ammunition. You may spend your craft points to build ranged weapons or ammunition at a rate of 1 craft point per 10 gp of market value of the fi nished item, even without taking the requisite creation time at work on the item.
Characters without this feat can only craft nonmasterwork ranged weapons.