The most BBs I went through in a game was Op Drug Bust in Petawawa. I went through maybe 400 rounds, with about 350 of those being for support / suspressive fire. I'm not trigger happy. I'm always in full auto, but shoot in short 3-5 round bursts. I usually carry 8 lowcaps and 2 midcaps with me in a game, but haven't had the need for them yet.