I quit gutting deer long ago. I'm often far from the road and it is a lot easier to just get the edible parts, put them in a pack and carry it out on your back. You will easily leave 1/2 the animals weight behind unless you are carrying the head and cape for a mount. It may take 2 trips if hunting solo, but it is much easier than gutting and dragging a carcass for miles in the mountains. Getting the tenderloins is easy and the 1st part taken.
Sounds like you used an a bullet designed for the game hunting and it worked as designed. Their are several difffeent bullet designs that react differently. Some kill by rapidly expanding, others expand less and penetrate more. All work if used on game they were designed for and applied correctly.