F.A.B. Defence RBS Folding Back-Up Sight

The F.A.B. Defence RBS Folding Back-Up Sight is a high-performance rear sight designed for tactical and professional use. Engineered with durable polymer and metal components, this sight ensures reliability in demanding conditions. It features an ergonomic, low-profile design that folds flat when not in use and springs up quickly when needed. Compatible with MIL-STD-1913 Picatinny rails, the RBS offers precise windage adjustments and is perfect for pairing with other optics or front sights. This sight provides an ideal backup solution for rapid target acquisition when your primary optic is unavailable.