Lenny Dykstra tried to stop cops from searching his bag the night he was arrested for possessing cocaine, Molly and weed ... body camera footage shows.
Officials in Linden, NJ released video from the night of May 23 ... when an Uber driver frantically drove to the police station ... telling cops Dykstra put a gun to his head.
The video picks up with Linden PD questioning Dykstra ... asking if he had a firearm on him.
Lenny says no several times ... adding "Dude, I'm a convicted felon. I can't own a firearm.