The peep sight is suitable for use on rifles having a three inch tang where the tang screw is approximately 1.5" from the breech and can be mounting either using the original tang screw or with the suppled polished and browned, 8-32 flat head lock bolt. This screw is recommended as it affords a more rigid mounting and can be cut to proper length. The sight is not suitable for long lollypop or Hawken type tangs due to the longer tang screw position and the height of the staff.

The sight is intended to be used in conjunction with the existing barrel sights and flipped up for longer range shots or when more precise sight definition is desired. It is adjustable for elevation by moving the orifice disc and windage is adjusted by turning the pivot screw.
The aperture diameter is 0.070” and is blackened to reduce glare. 

Because different rifles have different wrist geometry, the sight base is slotted and can be positioned forward or back to provide a greater range of elevation adjustment and it is slightly curved to lay flay on a curved tang.