Regular accubonds are alot thicker jacket in the front section, and take higher velocity to mushroom. They still can open up quickly on game like a regular nosler ballistic tip, but they are bonded, and the core stays stuck to the jacket very well.
I have never had a accubond fail and use them mainly in .243, .264, and .308. They typically fly just like the ballistic tip, similar point of impact, if not exactly the same with the same load. Amazing high quality bullet that has stood the test of time. Just keep the minimum velocity above 1800fps, probably closer to 2000fps, or 2200fps for proper expansion.
The accubond long range, has a much higher ballistic coefficient, and a much, much softer entire front section of the bullet with a very thin frontal jacket. They tend to be a bit explosive up close, but they keep driving through since the rear shank of the bullet is massive and basically solid copper. Your reloading stem of your die will have to be modified or changed if you have any type of compressed load, since they are very soft. They can also be finicky to get a good load for, not as easy as the regular accubond, which just plain shoot out of everything. They excel in opening up down to supposedly 1300fps, which is wild, but I would believe it because of how soft the most of the bullet is. I have never recovered one from deer or elk, they go right through with an absolutely devastating wound channel, due to how soft they are and how massive they mushroom out, and lose the front part of the bullet.
They are bonded, but typically shed quite a bit of weight over impact velocities above ~2800fps. I probably wouldn't run them if impact velocity would be much over 3000fps, but at that close of ranges I would be running a woodleigh or something really heavy for caliber anyway. Amazing performance in the 2200-2600fps impact range. I have some loads, heavy for caliber that are only 2450-2550fps at the muzzle, and they are devastating. My son has never recovered a 129 grain bullet shot from his Grendel.
I primarily use partitions, accubonds, ablr, and woodleigh bullets for moose and elk. I have never had any of them let me down, and love all the premium nosler bullets. Even their ballistic tips are phenomenal.