Never be afraid to stop, get up and reposition. Bipod hop in my experience is either my body out of position or my rear bag is twisted out of alignment with my stock just a little.Very true, I am in that stage now. I have upgraded my equipment which has changed the feel of everything. I shot my first match at 500 yards this last weekend. Started out good but don't know what happened. After the first 10 scoring rounds it just started to fall apart. I had one issue with my rear bag. Wasn't getting a good slide in it and it resulted in a jump up and to the left. I started to struggle with my body to correct and it all started to fall apart. Finished my first round with 196-8, second with 194-6 finished with a 195-3. Besides the rear bag, it all came down to my body position, somehow ended up with the butt stock on my collar bone trying to get behind the rifle and it wasn't comfortable.
I need to get back out to the range and rework on my position. I have solved the sticky bag issue but not have to work on me. I will be concentrating on comfort and repeatability along with maintaining POA after each shot. I know there is a position that will accomplish it all.
If my shots are staying in middle I may or may not stop and move!