What is claimed is the ornamental design for a rear handgun sight, as shown and described.
FIG. 1 is a front perspective view of a rear handgun sight showing our new design.
FIG. 2 is another front perspective view of the rear handgun sight of FIG. 1.
FIG. 3 is a rear perspective view of the rear handgun sight of FIG. 1.
FIG. 4 is another front perspective view of the rear handgun sight of FIG. 1 showing the bottom of the rear handgun sight.
FIG. 5 is a top plan view of the rear handgun sight of FIG. 1.
FIG. 6 is a front elevational view of the rear handgun sight of FIG. 1.
FIG. 7 is a left side elevational view of the rear handgun sight of FIG. 1, the right side being a mirror image thereof.
FIG. 8 is a bottom plan view of the rear handgun sight of FIG. 1.
FIG. 9 is a rear elevational view of the rear handgun sight of FIG. 1; and,
FIG. 10 is another front perspective view of the rear handgun sight of FIG. 1 shown with environmental structure in broken lines forming no part of the claimed design.