The HiViz Sight for Ruger MKII, MKIII, Single Six, and Browning Buckmark is a great upgrade for your firearm to get a better sight picture. This sight package includes six interchangealbe LitePipes in red and green in .080" diameter, carrying case for pipes, and key to interchange them.
Specifications and Features:
Package includes six interchangealbe LitePipes in red and green
Carrying case for pipes
Key to interchange them
Fits: Mark II and III heavy barrel guns including 22/45 and Browning Buck Mark Pistols (except Challenge, 5.5 Target, and 5.5 Field)
NOTE: The screw provided in the package will be slightly longer than needed for the Single Six. A few threads can easily be filed off to assure a proper fit