In both the leaf and bar sights you will see by looking at A and B in Fig. 48 that a V-shaped crotch is cut in the upper edge, and hence the many names this kind is called.
A knife-edge sight is one that has a more or less sharp edge set into the front end of the barrel, while a bead sight is made very much the same way but instead of a knife-edge it has a round end, or bead as it is called, on it. Personally I like the bead sight the best.
With the ordinary crotch sights there is always a shimmer on the barrel and the receiver, caused by the reflection of the light on these parts, which is very hard on the eye, but rear sights are made by the Lyman Gun Corporation that are larger and have a bead in the middle of a ring, or hoop; this does away with the shimmer of the light and besides it shows the whole of the object aimed at.
Sights are also made that have a wind-gauge adjustment and by means of which a shooter can allow for windage as well as raise his sights for any range with precision.
Collins, A. Frederick. Shooting, for Boys,. New York: Moffat, Yard and, 1917. Print.
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