I would definitely NOT shoot an expandable, especially a rage with a setup that has such little energy. You might be in bad shape if you center punch a rib. I have a video of my friend bouncing a rage off of an 80lb corsican ram at 45 yards. He was shooting a 70lb bow and 400gn arrow at probably around 300fps. Some people have good luck with them on elk but they are likely shooting heavy or fast setups. I’ve seen a lot of expandables fail on elk. Center punching a rib is usually where the failure starts. Do not take offense to this but my GF shoots what is likely a similar setup but less poundage. I have her shooting black eagle 400’s with a 50gn brass insert and a 125 2-blade broadhead. I would feel pretty good about it on an elk. If you don’t want to spend a bunch of money, i would look at doing the same. Keep your arrows, use a brass insert and a solid 125gn head.