I agree with brutal attack that you should try the Nosler Partition bullet. These will expand at nearly any range, and the base will go on through, at least making TWO holes for blood to come out of! This would be an especially good bullet to use in a 16" barrel, from which you are probably getting no more than 2500 FPS MV from that 150 grain load, as the Partition bullet's FRONT END is particularly frangible, designed to expand at long ranges and low velocities.

However, I would recommend that you use the 165-grain instead of the 150, because the 165's havebetter ballistic efficiency, thus retaining their initial velocity better. Test both Hornady Light Magnum and Federal Hi-Energy ammo to see if it is accurate enough in your gun for long-range shooting, because these loads start out with more energy.