Properties:

An item used for training purposes, for giving instructions in sighting, aiming and method of adjusting sights for rifles. Generally consists of a rectangular shaped piece of cardboard, or similar material. Each face has a definite function. Usually the front face is designed to simulate the front sight and a target bull's-eye as viewed through the rear peep sight of a rifle. The bull's-eye and front sight can be manually manipulated to give a correct sight picture or to demonstrate common errors. The rear face has graduations for windage and elevation adjustments which can also be manually manipulated to demonstrate degree of correction.