Since Flint is much rarer, arrows are now crafted with actual knapped arrowheads. These arrowheads can be made from Stone, Flint, or Bone.
Arrowheads being knapped from Stone.
Arrowheads being knapped from Flint.
Recipe: bsa:bone_knapping/bone/arrowhead/9_7_0_0
Arrowheads being knapped from Bone.
2
Using a Stone or Bone Arrowhead results in one arrow. Using a Flint Arrowhead results in two arrows. Try puzzling that one out. It doesn't really make sense, to be honest.