Gee, I'm not sure where I went wrong. I ordered King's #203 wide grip safety and their #505 wide spur hammer. I fit the parts into the pistol and no way would the hammer go to full cock before hitting the grip safety. I called King's and spoke to someone on their technical staff and was told that they do not make a grip safety that will work with the wide spur hammer. That's when I decided to send the parts back. Maybe they have changed the parts somewhat. I would still like to put a wide spur hammer on my pistol, but since it came with a fitted beavertail, the frame has the tangs rounded off to fit the beavertail. The King's drop in was made to fit an unaltered frame and would have left a gap between the paddle and the frame. I might could have lived with it that way but it became a mute point since the hammer could not be cocked before it was stopped by the spur hitting the paddle on the grip safety.