Uberti is offering their rolling blocks in .357 mag, .357 max, .38-55, .444 Marlin, .45-70 in the 22 inch carbines or 26 inch rifles.
http://www.ubertireplicas.com/interno.php?idpaginaprincipale=5&idpagina=15&idarticolo=27
http://www.ubertireplicas.com/interno.php?idpaginaprincipale=5&idpagina=15&idarticolo=27