Tyson Beckford Says Matt Damon's a Sellout On Guns

Tyson Beckford unloaded on Matt Damon ... essentially calling him 2-faced on the gun issue.

Tyson was leaving Katana in West Hollywood when he scoffed at Damon -- who has spoken out against rampant gun ownership -- but is banking millions by toting guns in the "Jason Bourne" flicks.