Having an offset sight as backup for your scope on your airsoft rifle is always a good choice. FAB Defense got their FBRS Offset Kit available and it is made of hard polymer making it affordable, lightweight and durable. It takes up a single slot on a 1913 Picatinny rail and will securely clamp into place with an Allen head screw. Options are right or left eye dominance and Black, OD Green, and FDE colors.