This is a top picatinny mounted sight system. It is appropriate for AR co-witness (visible in bottom 1/3 of optic.), as well as AR primary sight. It may be used on an AK, any carbine with a picatinny and submachine guns. The ATS COSUB comes with 5 differently colored front sights and 5 differently colored rear sights, is windage and elevation adjustable, and also is appropriate for our Firefly front sight night sight system.
