AKS-74U very popular Russian Weapon. It's light, compact and works great in CQB and not only. One of the main problem - sight. Basic mechanical sight works badly, doesn't adjust.
To resolve this problem, Zenitco Company release B-18 Rail. It's placing on the AKS-74U sight, and provide ability to place on this rail different sights - Red Dots, Holosights and etc.
1. Provide ability to place Red Dots or holosights.
Weight: 100 gram