Don't know whether this thread is still updated or not, but the Max Ammo you get from George is the replacement for Dog, Pentagon Thief, Space Monkey rounds as in, you are guaranteed a Max Ammo from George every 4-5 rounds. There is one caveat to the strategy of getting a Max Ammo however, and that is having George simply electrify zombies with his studio light, which allows them to drop drops. Another random and completely unrelated fact, electrified zombies can never be frozen by the water. The Max Ammo can be very useful in the high rounds as a Max Ammo can refill a Wunder Waffe and keep it going to allow you to kill more than 180 zombies in the 60+ rounds.
