For "special" occasions.AndyC wrote:XD sights are notoriously hard to remove - personally, I'd take the pistol and sights to a 'smith and let him take the risk.
Can't help ya' TAM, as I don't own an XD. However, if you're dealing with dovetailed sights, they aren't too painful to deal with IMO, as long as you are careful about removing material from the sight to get the right fit.