FACTORY RUGER Front Sight BULL barrel Slab Mark 1 2 3 4 MK IV II III 22/45.

This is the newest version of this sight for Ruger Mark 1, 2, 3, 4 BULL Barrels (NOT for LITE). Fits Bull, Slabside and Fluted barrels. YES the 22/45 Mark 2, 3 and 4 is the same. Made from Aluminum.

These are new, taken off parted out pistols