Browning A bolt 308,Barnes 150 gr. ttsx, Long Range Shooting,500 yard bullet tests,

What is a bullet doing at 500 yards and beyond? Shooting a Barnes ttsx @ 2850 fps into wet magazines at 500 yards. Shot from a Browning 308 win. with a Leupold 4.5-14 cds turret. Trying to learn about how the bullet will react at extended ranges. Just blew through the tub. Only recovered one, oddly did not expand.