Socom 16 Optics

I just purchased a Socom 16.

Would you recommend the Aimpoint M4 or the Eotech 552.XR308?

For longer ranges up to 600 yards how do you feel about the Burris 2-7X Ballistic Matte Handgun Scope w/PosiLock 200299 using LEUPOLD QRW 30MM MED RINGS

Best Regards,
Dave