Cost 1 gp Weight 2 lbs.
Damage 1d4 (small), 1d6 (medium) Critical x2 Type piercing
Range Increment 30 ft. (thrown)
Category ranged Proficiency simple
Weapon Groups spears, thrown
A javelin is a thin throwing spear.
Since a javelin is not designed for melee, you are treated as non-proficient with it and take a –4 penalty on attack rolls if you use a javelin as a melee weapon.
Pathfinder RPG Core Rulebook. Copyright 2009, Paizo Publishing, LLC; Author: Jason Bulmahn, based on material by Jonathan Tweet, Monte Cook, and Skip Williams.