Hiviz HRB2007 Ruger Mark Ii & Iii / Browning Buckmark Fiber Optic Sight

Interchangeable Style Ruger Mk I, Ii, Iii And Mk Iv Front Sight.
All Steel Construction
Includes Six Litepipes, In Various Colors, A Carrying Case, And A Key To Interchange The Litepipes.
Fits All Ruger Mk I, Ii, Iii And Mk Iv Heavy Barrel Guns, Including The 22/45, With An Adjustable Rear Sight.
Also Fits Ruger Single Six Revolvers, With Adjustable Rear Sights, And Browning Buck Mark Pistols With Bull Barrels, And Single Screw Front Sights.