TIKTOK STAR BRYCE HALL Punches Vegas Security Guard ... Busted For Battery

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Bryce Hall seems to have put his boxing skills to the test in Sin City, punching a nightclub security guard in the head, and it's all on video -- an incident that could land him in some legal trouble.

TMZ obtained the footage, shot Friday night in Las Vegas outside XS nightclub at the Wynn, showing the TikTok star getting physical with security -- including a punch to the side of the guy's head.

Law enforcement sources tell TMZ ... LVMPD responded to a call from XS and police ended up citing Bryce with two counts of battery and one count of trespassing, all misdemeanors. We're told the case will be submitted to the District Attorney.

As for what sparked the fight ... we're told Bryce and a friend were kicked out of the club during a Calvin Harris performance after being invited up to the DJ booth.

In the video, you see Bryce throw the punch ... and it then takes four security guards to take him to the ground.

Remember ... Bryce is famous for his TikTok account, but he's also boxed before ... getting destroyed in a June 2021 boxing match against fellow social media star Austin McBroom.

Bryce use to live in Los Angeles, but bought a house in Las Vegas in 2022. He also attended and posted at the AVN awards over the weekend.

We reached out to Bryce ... so far, no word back.