Just an update for those that have answered. I found a repro of a Lyman 21 at Buffalo Arms and ordered it today. It was priced at $125 plus shipping of $12.99. I also found the Lyman 66 at Brownell's for ~$70. Thanks again for the help.

Thank you so much for the replies. I'll look into it forthwith.

Hello everyone, I'm new here and look forward to reading about leverguns. I have a question for the experts, if you would be so kind. I have a Miroku made Browning replica of an 1895 Winchester in .405, and a M71 in .348 of the same heritage. I wish to put receiver sights on them and was looking for...