FAB DEFENSE FXFRBS Front and Rear Folding Back-Up Sights AR-15 M4 M16 Black

FAB DEFENSE FXFRBS Front and Rear Folding Back-Up Sights provide a low-profile, durable sighting solution for modern sporting rifles. Designed to mount quickly to any 1913 Picatinny rail, this lightweight set includes the FBS front sight with an ergonomic angel-wing shroud that helps center the sight picture, and the RBS rear sight featuring instantly selectable dual apertures. Constructed from polymer and aluminum in a black finish, the FXFRBS set can serve as a primary sighting system or as reliable back-up sights for AR-15, M4, and M16 platforms.

Product Highlights

• Complete front and rear folding back-up sight set with low-profile design
• Dual-aperture rear sight: 3 mm for fast acquisition/low light and 1.5 mm for precision
• Angel-wing front shroud centers the image and protects the front post
• Tool-free, rapid installation on any 1913 Picatinny rail
• Durable polymer and aluminum construction in black

Specs

• Product Type: Front & Rear Folding Back-Up Sight Set
• Compatibility: AR-15, M4, M16 platforms
• Mounting Interface: 1913 Picatinny rail
• Material: Polymer and aluminum
• Color/Finish: Black
• Rear Aperture Sizes: 3 mm and 1.5 mm
• UPC: 7290105943378
• Manufacturer Part Number: FXFRBS
• Brand: FAB DEFENSE (USIQ)