Description
The FAB Defense FRBS Offset Rifle Sights Kit delivers a compact front-and-rear folding back-up sight system in black for use alongside magnified optics. Designed for offset mounting, these sights provide a rapid secondary sight picture while minimizing protrusion from the rail. Construction combines fiberglass-reinforced polymer and metal for a balance of durability and low weight. Both front and rear sights allow manual adjustments windage for the rear and elevation for the front without the need for tools.
Key Specifications
Compatible with 1913 MIL-STD Picatinny rail.
Fit specified as AR-15.
Frame material listed as Polymer/Metal.
Style described as Folding Offset Back-Up Sights.
The length measures 52 mm.
The width measures 32 mm.
The height measures 14 mm.
Length when deployed is 30 mm.
Height when deployed is 42 mm.
Weight given as 30 gr.
Compact, tool-free adjustments and an offset mounting profile make the FRBS kit a practical addition to modern AR-platform setups where a low-profile, reliable backup sighting solution is desired. The construction and streamlined design aim to keep the sighting system lightweight and unobtrusive while providing dependable manual adjustments when a secondary sight is needed.
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