I was reassembling my XD45 after a quick lube job before Saturday's range trip and as I moved the slide back on the frame, the slide jammed. It is so tight I cannot unjam it.

After inspection, it appears that the barrel must have dropped down a bit as I moved the slide back and it wedged under the front of the locking block. Is this something I can fix (if so, help!), should I take it to my local gunsmith, or does it have to go back to Springfield? Thanks for any assistance in advance.