Crosman Williams Notched Blade Sight
Williams receiver-mounted notch blade sight. •  Strong, rugged and dependable  1-1/2 oz. compact alloy material Up to 85,000 lbs of tensile strength  Target knobs for easy adjustment Internal micrometer adjustments  Positive internal locks   • Note: Only for models that have been modified with the AS2250-013 receiver kit. Including pistol models 1740, 2240 1377, 1322.