The FAB Defense Rear Polymer Flip-up Sight is a low-profile folding rear sight designed for AR-15, M4 and M16 platforms. It mounts to any 1913 Picatinny rail and may be used as a primary or back-up sight. The sight includes dual apertures and an ergonomic shroud intended to help center the sight picture under a range of conditions.
Key Specifications
- The sight fits AR-15 platforms.
- Mounts to any 1913 Picatinny rail.
- Features dual apertures sized at 3 mm and 1.5 mm.
- The 3 mm aperture is intended for longer eye relief and faster target acquisition in lower light.
- The 1.5 mm aperture is intended for shorter eye relief and greater precision.
- Constructed from high-grade polymer and metal for durability.
- Uses an instant spring-locked deployment mechanism designed not to slip or deform.
- Provides tool-free windage adjustment with positive detent locking.
- Maintains a low folded profile to reduce snags on gear or brush.
- Frame color is Black.
With durable materials, a fast spring-locked flip-up, and selectable apertures for different engagement needs, this rear sight is a practical addition to AR-platform rifles for range use, field applications, and purposeful carry setups. Its low profile and ergonomic shroud support clear alignment with a wide range of front sights while keeping the sight unobtrusive when folded.
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.
