Just found this:
http://www.gamesetwatch.com/2009/09/done_column_battle_klaxon_on_r.php
http://www.gamesetwatch.com/2009/09/done_column_battle_klaxon_on_r.php
In most multiplayer games, the game's designed first and the weapons are chosen and tweaked to fit. In the name of setting itself apart, Red Orchestra built the guns first, the most worrying and wicked and downright real things the UT engine has ever seen, and created something great by packing the game tightly around them like a snowball.