fab defense - Front/Rear Folding Back-Up Sights

FRBS Front and Rear Flip-Up Sights - AR-15, M4, M16

The FBS/RBS are an advanced, dual aperture, durable and low-profile auxiliary sights. They are 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.. Made of extremely durable high-grade polymer and metal, the sights features a low folded profile which is smooth and inconspicuous, and will not snag on gear, webbing, or brush. The instant spring-lockable deployment mechanism will not slip, brake or deform. No tools needed for easy, rapid windage adjustments, with positive detent locking.

Description:

• Front/Rear flip up sights
• Dual aperture, durable and low-profile auxiliary sights
• Readily mounted on any 1913 Picatinny rail
• Instant spring-lockable deployment system
• No tools needed for easy, repaid windage adjustments
• Black
• Fits AR-15, M4, M16
• Polymer/Metal