Sniper Vs. MAX

[The President]

Hey guys, I've heard conflicting reports on this so i figured I'd put the question out there to more people. I assume the beta-testers are the ones to ask but in any case.
Say there is a MAX guarding an area and there is a sniper who has him lined up. Will the sniper be able to effectively destroy the MAX, and within how many shots. What i meant by effectively will he be able to cut the MAX down before the MAX has a chance to run up and own the sniper.
Thanks for any input you guys can give.

-The President