FAB Defense’s FXFBS is a low-profile, durable auxiliary front sight designed for AR-15/M16/M4 platforms. It mounts on any 1913 Picatinny rail and offers an ergonomic angel-wing-shaped front shroud to help center the sight picture. The sight features an instant spring-locked deployment mechanism and tool-free, positive-detent elevation adjustment. Constructed of high-grade polymer and metal, it is suitable for use as either a primary or backup sight.
Key Specifications
- The style is Flip Up Back Up.
- The front color is Black.
- The frame material is Polymer/Metal.
- The frame color is Black.
- Designed for AR Platform firearms.
- Specified fit is AR-15.
- The product type is a Flip Up Front sight.
- Mounts to a 1913 Picatinny rail for broad compatibility.
- Features an instant spring-locked deployment mechanism that resists slipping or deformation.
- Offers tool-free rapid elevation adjustments with positive detent locking.
Whether employed as a dedicated primary sight or a dependable backup, the FXFBS combines a streamlined folded profile with rugged construction and straightforward adjustments. Its durable polymer-and-metal build, snag-resistant shroud, and quick-deploy mechanism make it a practical choice for AR-platform users who prefer reliable, no-nonsense components.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.
