Have you taken off the scope and tried open sight? It could be a scope failure. If your groups tighten up without the scope at 20 yrds then that's it.
1st. Why did you clean the barrel?Did you have a POI issue that made you think you needed to?
Hey Matt,First of all ........... still don't know the problem? Maybe the barrel cleaning was just a coincidence with something else that occurred but you didn't notice? 1) Shoot 10/15 shots - are they a consistent velocity? I will do that but I need to order pellets first. I have shot 5 over the chrony and gotten a 10 fps or less spread between highest and lowest fps. 2) If yes, does your barrel have some other crud (rust) in it, or is crown damaged? I will check3) If you run a patch through it, can you feel any rough spots? Will check but I do not remember any.4) If no, something has got to be loose. Check bolt through barrel and spacer. I did. I did tighten it and it made it shoot higher than my sites would adjust so I loosened it back up. When it was tight the groups remained the same size.5) If everything's tight in 4) - what the trigger pull, lightening it should help.Trigger pull is nice and light
You know that when you clean the barrel you may need to lead it back in right?
Hey Matt,Lastly, if you need to loosen the barrel bolt to use your open sights, I would try bending your barrel down slightly. This should not be too hard and there is a thread Pinned in "Home Tricks" gate by ezman604. Loosening the barrel bolt so you can use open sights only adds to inaccuracy, everything should be tight.Rapping the end of the barrel downward with a big rubber hammer might even be enough