The case relates to an alleged incident of violent disorder in the Lowe Street area of Whitmore Reans where shots were fired on July 22 last year, injuring a man in the arm.
Dylan Ireson, 21, of Uplands Avenue, Wolverhampton; Joshua Baker, of Burton Road, Dudley; Logan Head, of Hawthorne Road, Tipton; and Ian Ferguson, of Coronation Road, Tipton, all aged 18, deny attempted murder and possession of a firearm with intent to endanger life.
Baker also denies possession of a prohibited firearm.
The trial was due to be heard at at Wolverhampton Crown Court this week, but has been delayed until the new year due to Bar Association industrial action. All were remanded in custody until then.