Folding rear sight for a firearm

FIG. 1 is a rear, right, top perspective view of a folding rear sight for a firearm showing our new design;

FIG. 2 is a front, left, top perspective view of the folding rear sight for a firearm of FIG. 1 ;

FIG. 3 is a front elevation view of the folding rear sight for a firearm of FIG. 1 ;

FIG. 4 is a rear elevation view of the folding rear sight for a firearm of FIG. 1 ;

FIG. 5 is a right side elevation view of the folding rear sight for a firearm of FIG. 1 ;

FIG. 6 is a left side elevation view of the folding rear sight for a firearm of FIG. 1 ;

FIG. 7 is a top plan view of the folding rear sight for a firearm of FIG. 1 ;

FIG. 8 is a bottom plan view of the folding rear sight for a firearm of FIG. 1 ;

FIG. 9 is a front, right top perspective view of the folding rear sight for a firearm of FIG. 1 showing the rear sight pivoted to an upright operative position;

FIG. 10 is a rear, right, bottom perspective view of the folding rear sight for a firearm of FIG. 1 showing the rear sight pivoted to an upright operative position; and,

FIG. 11 is a front, left, top perspective view of the folding rear sight for a firearm of FIG. 1 showing the rear sight pivoted to an upright operative position and further showing a sight aperture restrictor pivoted downward to provide a large aperture in an operative position.

The broken lines showing portions of the design in all figures is included for the purpose of illustrating environment and unclaimed features and forms not part of the claimed design.