FAB Defense Top Mounted Deployable Front and Rear Sight Black. All of the AR15 Accessories Gun Parts AR 15 Parts AR 15 Iron Sights Rifle Parts included in this FAB Defense kit are crafted with an instant spring-locked deployment mechanism that won't slip deform or break while in the field providing unparalleled reliability when you depend on it. This FAB Defense Front and Rear Sight Set is perfect for any tactical operator or range enthusiast since there are no tools required for elevation adjustments saving precious time and gear storage space. Each sight in this set is constructed out of incredibly durable high-grade polymer and metal for the best performance possible. Low profiles ensure they won't snag on any loose gear or clothing so that you can stay mobile without any interruptions. Line up precise shots with your rifle by installing this FAB Defense FRBS Flip-Up Sight Bundle. Specifications for FAB Defense Top Mounted Deployable Front and Rear Set of Flip-up Sights: Manufacturer: FAB Defense Sight Mounting Orientation: Top Mounted Sight Position: Front and Rear Gun Model: AR-15 M16 M4 Gun Make: AR Platform Deployable: Yes Fabric/Material: Polymer Height: 2.01 in 51 mm Length: 139 mm 5.47 in Illumination Type: Non-Illuminated Included Accessories: Standard Illumination Color: None Hand: Ambidextrous Weight: 80 g 0.176 lb Width: 1.73 in 44 mm Mount Type: Picatinny Features of FAB Defense Top Mounted Deployable Front and Rear Set of Flip-up Sights: Can be used as a primary or back-up sight Ergonomic angel-wing-shaped front shroud helps center the image with any rear sight but when used with a matching FAB Defense RBS Rear Back-up Sight it creates a precise optical tunnel that ensures more accurate aiming and faster target acquisition Low folded profile is smooth and inconspicuous and will not snag on gear webbing or brush Instant spring-locked deployment mechanism will not slip break or deform No tools needed for easy rapid elevation adjustments with positive detent locking Made of extremely durable high-grade polymer and metal Package Contents: FAB Defense Top Mounted Deployable Front and Rear Set of Flip-up Sights What firearm models does the manufacturer say FAB Defense Top Mounted Deployable Front and Rear Set of Flip-up Sights is compatible with? The manufacturer says that FAB Defense Top Mounted Deployable Front and Rear Set of Flip-up Sights is compatible with AR-15 M4 M16FAB Defense FX-FRBSKIT: Top Mounted Deployable Front and Rear Sight Black