The peep sighted RM went for $19,000 before buyer's premium. I was the under bidder on it. In re, the 4.5" guns. I agree they are a nice barrel length. The first one I bought I got from one of the auction houses that had misidentified it as a 5" gun. The barrel looked short to me so I blew up the page photo and did a ratio measurement between the cylinder and the barrel and deduced it was a 4.5" model. I was right and it lettered as a 4.5."