I have the Remington BDL LH(left hand) in the 270 calibre. It is as fine a rifle as your going to find or I wouldn't been using it since 1979.
As ChesterGolf said: the difference between ADL &BDL is strickly cosmetic.
Well mostly cosmetic. The ADL doesn't have a detachable hinged floorplate. Cartridges are inserted thru the action opening on the ADL but can be inserted thru the floorplate on the BDL. Cartridges in the BDL drop out the bottom to unload but on the ADL come out the action. The BDL also has two action screws but the ADL has a third thru the front of the trigger guard that holds on the trigger guard. That screw tightened to much can change point of impact. Other than that the actions are the same.
Out here in Colorado, and in the units that I haunt, it is a tricky game to figure out how far to pack in on a rifle hunt. You want to get away from the masses that have moved game away from the roads but might want to stay close enough that you are taking advantage of the animals forced movements. There is no universal distance but I like the 1.5 to 4 mile range for day hunts where I am not planning on bivying out. This keeps you in that productive buffer zone where the animals are really...