Ah.Sniper_dog14 wrote:the fuel vs. weapons loadout is very true but also keep in mind that in PR all maps that have Attack Helos are conventional warfare based maps with very hot situations where a full loadout would likely be used.
In which case I think just downloading the cannon to 800 rounds would be fine. Only time I've ever used up 1000 rounds was Kashan training, spraying off 20 round bursts to suppress the spawn bunker so AAVs couldn't get out without getting damaged.