I own a Colt New Frontier 4 3/4" barrel with cylinders in .22 LR
and .22 WRM. Purchased at a gun show around 1971. Serial number
G-11107. According to Don Wilkerson's book, only 4172 of 4 3/4"
barrel length produced. Recently saw one advertized for sale for
$899. The New Frontier differs from the Peacemaker in having and
adjustable sight.