The RBS is an advanced, dual aperture, durable and low-profile auxiliary rear sight. It can be used with any front sight. However the RBS was designed for more accurate aiming and faster target acquisition with it's front sight sibling, FBS. Windage is easily and quickly adjusted without tools. RBS is readily mounted on any 1913 Picatinny rail, making it ideal for use on M4 / AR-15 / M-16 platforms and on the FAB Defense® K.P.O.S.
- Can be used as primary or back-up sight
- Ergonomic angel-wing-shaped shroud helps center the image with any front sight & when used with a matching FAB Defense® FBS, it creates a precise optical tunnel that ensures more accurate aiming and faster target acquisition
- Dual apertures
- Low folded profile is smooth and inconspicuous, and will not snag on gear, webbing, or brush
- Instant spring-locked deployment mechanism No tools needed for easy, rapid windage adjustments, with positive detent locking
- Made of extremely durable high-grade polymer and metal
- All 1913 Picatinny rails
Length
52 mm
Width
32 mm
Height
14 mm
Length deployed
30 mm
Height deployed
42 mm
Weight
30 gr
