Only one eye sees front bead using sight-blinder. Use 2 eyes open and shoot with confidence. Works with regular front bead and fiber-optic sights. Shows double-dot of front bead when head is loose on gunstock, helps keep head down. Fits all ribs, black stainless steel, secured by strong 2-sided adhesive.

For fixed, adjustable, sliding combs and piston-type recoiling stocks. Absorbs shock. Soft vinyl pad attaches to gunstock by non-damaging fasteners of velcro. Spacers are secured by repeatable self-adhesive. Performs hundreds of changes when kept clean. Variable position of spacers controls width of comb and cast and height of 1/16", 1/8", 3/16", 1/4", 5/16" and 3/8".