'Project X' Actor Nick Nervies -- ARRESTED ... For Domestic Violence

One of the tough kid security guards from "Project X" was arrested yesterday after allegedly getting physical with his girlfriend ... TMZ has learned.

Law enforcement sources tell TMZ -- deputies received a call from someone around 4:30 pm claiming 'X' star Nick Nervies had been arguing with his girlfriend and it escalated in a bad way.

It's unclear what happened but when cops arrived the alleged victim had minor injuries -- not serious enough for an ambulance.

The 18-year old actor was cuffed and taken to a nearby jail where he was booked on misdemeanor domestic violence charges.