These are original Yugoslavian M70 Rear Sight Leaf with Flip-Up Night Sight Aperture. Illumination expired years ago .  Military surplus used parts in very good to excellent condition.

⚠  WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.