Xbox One’s EA subscription service offers up an early go on the game before it officially launches.
@MaximumXtreme Yes, you will be able to get early access to Battlefield Hardline through EA Access.— Battlefield (@Battlefield) January 19, 2015
EA Access is available to Xbox One users and allows for early access to es to new releases; exclusive trials, betas, demos and a collection of released EA games.
If you’re not signed up with EA Access then Battlefield Hardline will be releasing on 17th March in North America and 19th March in Europe. The game is coming to PS3, Xbox 360, PD4, Xbox One and PC.