When you lift the bolt head the ejector and spring will be laying on the rag or towel......MAYBE!
If not then you can try dripping Kroil, Liquid Wrench or a similar penetrating oil in and allow it to work a few minutes then slam it face down on a block of wood to free it. Fred (Sharpshooter) has had luck using a engraving tool to vibrate them loose.
Short of that you may have to visit you local friendly gunsmith or machine shop to have it removed.
The information contained in this article and the attached video are for educational purposes only. Should you choose to use this information to alter or modify your firearm you do so of your own accord. In doing so you accept full responsibility for any adverse affects, damages, injuries and/or death that may occur as a result.