These are original Yugoslavian Zastava YUGO M70 Gas Blocks w/Grenade Sight Ladders.

ALL PARTS MUST BE INSTALLED BY A QUILIFIED GUNSMITH.

⚠ 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.