FAB Defense FRBS Rifle Sights Kit Tan
Low-profile backup sight system for AR-15 and M4 platforms. Tool-free elevation and windage adjustment. Durable polymer and metal construction. Mounts on any Picatinny rail.
FAB Defense FRBS Rifle Sights Kit
The FRBS is a purpose-built backup sight system designed for modern sporting rifles. This matched front and rear sight pair delivers the optical advantages of a properly spaced sight system while maintaining a low profile that won't snag on gear or webbing.
Key Features
- Dual-use capability: Functions as either primary or backup sighting solution
- Tool-free adjustments: Elevation and windage adjustments require no tools for rapid deployment
- Universal mounting: Compatible with all 1913 Picatinny rail systems
- Durable construction: Fiberglass-reinforced polymer paired with metal components
- Spring-based locking: Robust mechanism that resists breakage and deformation
- Compact design: Minimal profile reduces snagging and interference with tactical gear
Specifications
- Stowed dimensions: 52mm length × 32mm width × 14mm height
- Deployed height: 42mm rear sight, 30mm front sight
- Weight: 30 grams
- Material: Fiberglass-reinforced polymer with metal components
Compatibility
The FRBS mounts on any standard 1913 Picatinny rail, making it ideal for AR-15, M4, and M16 platforms. Note: Do not mount the front sight on a railed gas block.
Practical Application
Whether you're building a dedicated backup system or upgrading your primary sighting solution, the FRBS delivers dependable performance without unnecessary complexity. The matched pair provides the sight radius advantage that serious shooters demand.
