For use on the Creedmoor sights USA 404, 405, 406, 407, 430, 431, 446, 461 and 465, featuring 8 aperture holes of different diameters: (.012 /.020 /.031 /.039 /.051 /.063 /.078 /.086″ – 0,3 / 0,5 / 0,8 / 1 / 1,3 / 1,6 / 2 / 2,2 mm)
The eye piece has a rubber ring to avoid any inconveniences due to recoil.
Professional Hadley style Eye Piece