Sounds like a bit of vertical "slop" since this only happens when you apply pressure on the bottom of the mag. If so this could be because the mag release lever is too short, and not holding the mag high enough. Have you tried bending the mag lips lower to gain clearance? I've had the opposite problem with lever too long and pushing mag too high, requiring shortening the lever. This is my first experience with AI Mags; on a new rifle the Accurate fits perfectly but the AI will not even fit into the mag well because it is 0.1" too long.