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Meprolight Self-illuminated Front and Rear Back-Up Night Sights Set (4 Dot)


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About the Meprolight Self-Illuminated Flip Backup Night Sights Set:

The Meprolight Self-illuminated Front and Rear Back-Up Night Sights Set designed to provide the shooter secondary sights in case the primary optics go down.
FRBS sights are advanced, low-profile, durable, tritium-enhanced auxiliary front and rear back-up sights.
The sights quickly fold up or down depending on the shooter's needs. Sight pin elevation is easily and quickly adjusted without tools. FRBS sights are readily mounted on any 1913 Picatinny rail.
Day or night, the tritium makes the FRBS a viable option. Be advised this product is none discountable 

The Meprolight Self-illuminated Front and Rear Back-Up Night Sights Set are readily mounted on any 1913 Picatinny rail, making it ideal for use on M4/AR-15/M16, TAVOR platforms and on the FAB Defense KPOS Glock PDW Chassis. 


  • Low profile and lightweight design.
  • Can be used as primary or backup sight.
  • Manually adjustable, no tools needed.
  • Durable fiberglass-reinforced polymer and metal construction.
  • Spring-based locking mechanism – will not break or deform.
  • Compatible with all MIL-STD 1913 Picatinny rails.
  • 12 years warranty for Night Sight luminance.


  • All firearms with an underside 1913 MIL-STD Picatinny rail.


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About Meprolight:

Meprolight is a leading International Electro-Optics company, developing, manufacturing and marketing systems for infantry, armed forces, law enforcement agencies and civilian markets since 1990. Meprolight provides comprehensive solutions with a wide array of combat-proven products; Electro-optical and optical sights and devices, night vision devices, thermal sights, laser rangefinders, handheld rangefinders, and fire control systems and other tritium illuminated products and accessories for safety and security applications.

All Picatinny Rails
60 g
32 mm
42 mm
30 mm

Additional information

Weight 60 g
Dimensions 30 × 32 × 42 mm

Country of Manufacture



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