In preparation for a future patch(es), Battlefield 3’s core gameplay designer, Alan Kertz has opened up a discussion on the popular social news site Reddit onto what needs changing.
Kertz especially believes that the various gun accessories, like the Heavy Barrel and the Suppressor, need looking at tweaking, and has posted a summery of his thoughts as well as rationales and stats for readers to comment on.
You can read his musings at length here, as well as the insights from the reddit community itself.