Ruler

Unfortunately there is no way to replace the crowbar hit sound without hearing a wooden clank every time you fire, I have however included sounds for when the crowbar is dropped.

Extract to: C:\Program Files\Valve\Steam\SteamApps\[yourusername]\half-life 2\hl2 (Extract to HL2DM / Garrysmod folders for use in those games)

Replaces crowbar.