A vehicular interior rearview mirror assembly includes a mirror head and a mounting assembly having a mirror mount and a mounting arm, which is configured to attach at an interior portion of a vehicle. The mirror head includes a mirror reflective element. The mounting arm is attached to the mirror head and the mounting arm is pivotally attached at the mirror mount via a first pivot joint. The mirror mount includes an anti-camout element protruding from an interior surface of a socket element of the first pivot joint and at least partially received in a recess of a ball member of the first pivot joint to limit pivotal movement of the ball member when the ball member engages the anti-camout element. The mirror mount comprises a metallic support element forming at least a portion of the anti-camout element.