Sight Body Style - Hooded .240 aperture.
Crosshair Type - Duplex.
Crosshair Size - .010 / .020 Diameter.
Crosshair Material - Heat treated.
Installation - Replaces post sight w/o modifications to gun.
Note This precision sight is made for a snug fit for superior accuracy. However, there are variations in front sight ramp dimensions. If your sight does not fit, return to KNS Precision, Inc. with explanation and a replacement will be mailed free.