I'll add a recommendation to switch lubes. The RCBS pad lube works very well. If its not sizing with little pressure, stop and back out, needs more or better lube. I've used OneShot and had mixed experiences, just not worth the headaches.
When I was starting out I had a Marlin with see-through rings slip and take a hit, didn't think anything of it and then of course saw and emptied on the biggest buck I've ever seen to this day, all misses. Was shooting low a mile. Now, if a gun or crossbow gets knocked, I always carry a spare...