This is for the brand new Russian made genuine AK ZenitCo B-12 upper rail platform.
ATTENTION! This rail can be installed only on ZenitCo B-10(m) and B-11 lower handguard! The screws are provided. It is fully CNC machined from the single brick of D16T aluminum alloy (aluminum+magnium+copper). Mounts over standard gas tube cover and doesn’t interfere with iron sights.