Buyer-be advised! - Armasight Night Vision Monocular Quick Release Picatinny Mount Adapter

I purchased this NV/picatinny mount to secure the Armasight Spark Core to my son's PSA AR. While the connection to the Spark Core holds fast with zero issues, the mount to the pic rail on the flattop has considerable play. Slight movement side to side, but 2-3 millimeters forward/backward. Frankly, I am disappointed. It was a B-day present for my son. Now, I've had to shell out another $150.00(beside the $120.00 for the mount)for the skullcrusher/head mount. Spark Core will not fit on our other head mount. He has a hog hunting trip in less than a week. Very stressful! We'll take it to an armorer buddy to see what he can do.