What does BDL stand for When it comes to a Remington model 700 hunting rifle?

The term ADL stands for standard model, it has an internal magazine to be feed from the top only. The stock is either black synthetic or wood with pressed checkering. The BDL is the deluxe model with either a detachable magazine or a hinged floor plate. The stock is a cut checkering, walnut deluxe wood Monte Carlo with raised cheek piece.