I am a die hard Remington fan and having said that, the 7400 is a very fine rifle BUT... IMO the Browning BAR sets the standard by which all the other name brand semis (sporter/hunting) are judged on. It is a very accurate, beautiful firearm.
You're going to find that everything with the Browning name on it is going to cost much more. For some reason you'll be paying through the roof. Never owned a BAR, but do have a couple of Belgian made Browning Hi Power pistols and can tell you that I personally believe them to be the best handguns in the world, bar none. Have also been very happy with my Remington rifles and shotguns.
You can't go wrong with either Remington or Browning, both are very good quality guns. It's just a matter of how much more extra you want to pay.
Remington is USA made if that matters to you. Most Brownings are made by Fabrique Nationale in Belgium or Portugal, and others are made in Japan by Moruku.
I have learned quite a bit over the past few years turkey hunting and the majority of it was how to get that tom within range. Every article you read is littered with talk of fighting purrs, flydown cackles and clucks. What they don't tell you is now that you've caught that tom's interest and he's coming on a string... now what? I have seen more blown or missed turkeys from lack of experience in this area than I can imagine. If you can't seal the deal than you may as well have left the...