SPECS: Cold rolled steel, zinc plate and black phosphate finish.
Ruger – Includes two aperture blades and mounting
screws: 7/32" (5.6mm) diameter and 9/32" (7.14mm) diameter
aperture. Fits Blackhawk, Bisley, Super Blackhawk, Redhawk,
Super Redhawk, GP-100 series revolvers, MK I and MK II
semi-autos, plus PC-9 and PC-40 Carbines with adjustable sights.
Winchester – Includes one aperture: 7/64" (2.8mm)
diameter. Fits rifle/carbine versions of models 92, 94/94AE, 9422.
Also fits Model 9410 shotgun.