You have a bullet that is expanding creating a larger exit with ample blood trail and people are telling you to switch bullets???

I wouldn't change a thing with the bullets.

Running deer is the nature of the beast when you shoot double lung. If you want them to stay put you need to hit central nervous system or take out the wheels like you did before. Break both front shoulders, shoot hi shoulder and get spine, shoot neck or head. That is about all that will get you a drt kill most of the time. Again your bullets look like they are functioning flawlessly to me I wouldn't change a thing!

you are shooting a 243 and you are killing deer (which is the goal) a 243 is more than likely not going to drop them in their tracks unless you shoot them in the spine, neck, or head. tracking a deer anywhere from 30- 50 yards is about right for a 243. **I shot a doe in the neck and it did not kill her. She ran off and I thought I missed her. We found her laying down about 80 yards away and ended up shooting her again (killing her) as she stumbled off.....never again will I shoot a deer with 243 in the neck
**I have killed about 30 deer with a 243 Winchester 100 grain power point (and have probably lost 6-7 with a 243, which is why my go to is the 270)

Even for a 270, you can expect to track about 30 yards for a heart, lung shot (sometimes they drop, sometimes they run a bit)...just part of it
I have killed about 80-90 with a 270 (and shoot 130 grain soft points)

shot placement is THE MOST IMPORTANT!!