Smyth Busters: Is WD-40 a Good Lubricant for Guns?
This video debunks the myth that WD-40 is a suitable lubricant for firearms. While effective for water displacement and rust removal, its components can gum up over time, creating residue that hinders mechanical function and can damage wood stocks. Experts recommend using dedicated gun oils like Rand CLP or Rem Oil for lubrication and WD-40 only for emergency water displacement.









