Replying to Bindings release mid spin

One of my skis keeps releasing mid spin. The din's are fine. I'm going to guess they're just not set to my boot right. They are 2005 p10's. They've recently developed the healpiece wiggle. It's not bad but noticeable. I also noticed my whole back healpiece moves a couple mm's. I haven't checked to see if it's the mount or the binding not sitting right on the mount. If it is the mount would it be safe to take the 2 rear screws out and reset them? I'm thinking I might have to get them remounted but the skis are only a month old and I don't want to have to make another set of holes.