In taking my daughter on a TN youth hunt recently, I want to relate my experience with her 243 handi rifle, using down loaded sierra 85gr HPBT. These were using 31 gr of H4895 for about 2400 fps. She liked this light load and shot it well. So out walks this 8 pt. After it finally gets turned correctly, its about 50 yard away. At the shot, the deer jumps up, kicks wildly and runs hard off the green field. I think good shot. After a moment we get down. No blood trail... after some hard searching we find a few drops as it enters the woods. Did I mention its getting dark now. I finally decide to go looking without a trail. I do find it, about 40 yards away. The shot was a good double lung shot but no external bleeding. In skinning it, all the blood was inside the skin. It seems the holes were pretty small and maybe the skin had kinda sealed it up. I called Sierra hotline and asked their opinion. They stated that the bullet is pretty tough and needs to go about 2700-2800 fps for good expansion. Thus my problem, too slow.
FYI, for anyone using this on light loads. DONT GO TOO SLOW.
I have since up the speed to about 2800 fps. I think this will do fine now. My daughter wants to go again real soon.
Best of luck,
Deerandduck