FAB Defense FXRBS Rear Back-Up SightBlack Folding Rear Back Up Sight for AR-15, M4, M16

• Enhance your aiming precision: The FAB Defense FXRBS Rear Back-Up Sight is designed to provide an extreme optical advantage, allowing for greater accuracy and faster target acquisition. Its dual apertures offer options for longer eye relief mounting and low light conditions, as well as shorter eye relief mounting for increased accuracy.
• Durable and reliable: Made of high-grade polymer and metal, this rear sight is built to withstand the toughest conditions. Its instant spring-locked deployment mechanism ensures that it will not slip, break, or deform, providing you with a reliable backup sight that you can count on.
• Versatile and inconspicuous: With its low folded profile, the FXRBS Rear Back-Up Sight is smooth and inconspicuous, preventing it from snagging on gear, webbing, or brush. It can be used as a primary or backup sight and is compatible with any front sight, making it ideal for use on AR-15, M4, and M16 platforms. Its ergonomic angel-wing-shaped front shroud helps center the image with any front sight, providing you with a comfortable and efficient aiming experience.

The FAB Defense FXRBS Rear Back-Up Sight!

Looking for an advanced, reliable, and inconspicuous rear sight for your AR-15, M4, or M16? Well, you've come to the right place! Our FXRBS sight is designed to give you that extra optical advantage while maintaining a low-profile and durable construction.

No matter what front sight you're using, the FXRBS is ready to provide you with an extreme optical advantage. It effortlessly mounts on any 1913 picatinny rail, making it the perfect fit for your M4, AR-15, or M16 platforms.

Whether you need a primary sight or a backup, this sight has got you covered. The ergonomic angel-wing-shaped front shroud helps center the image with any front sight, ensuring you have a clear and precise view of your target.

Worried about snagging on gear, webbing, or brush? Don't be! Our FXRBS features a low folded profile that is smooth and inconspicuous, so you can move freely without any hindrance.

But that's not all! This sight offers dual apertures for your convenience. The 3mm aperture provides longer eye relief mounting, perfect for low light conditions and faster target acquisition. Need greater accuracy? The 1.5mm aperture is designed for shorter eye relief mounting, giving you the precision you need.

Crafted from high-grade polymer and metal, this sight is built to withstand the toughest conditions. Its instant spring-locked deployment mechanism ensures that it won't slip, break, or deform when you need it the most.

Get ready to enhance your shooting experience with the FAB Defense FXRBS Rear Back-Up Sight. Upgrade your AR platform today and enjoy the confidence of having a reliable and high-performance sight by your side.