FAB Defense Side By Side Dual Picatinny Rail For M16/AR-15 Black. Manufactured from an aviation-grade anodized aluminum stock the FAB Defense SBS Dual Picatinny Mount is durable yet lightweight to keep your weapon as light as possible. This rail is easy to install and dismantle and uses hex (Allen type) bolts to securely hold it in place. This rail fits and dismantles with no modification or gunsmith required making it the perfect addition to your collection. The FAB Defense Side by Side Dual Picatinny Rail w/ Hex Bolts is a versatile mounting solution for all of your necessity and requirements. Specifications for FAB Defense Side By Side Dual Picatinny Rail For M16/AR-15: Manufacturer: FAB Defense Color: Black Fabric/Material: Aluminum Gun Model: AR-15 Features: Tight fitting adaptor ensures stability and accuracy of mounted laser and optical devices Precision machined from aviation-grade anodized aluminum stock Durable lightweight construction Easy to fit and dismantle Secured by hex ("Allen" type) bolts No modification or gunsmith required Package Contents: FAB Defense Side By Side Dual Picatinny Rail For M16/AR-15 FAB Defense fx-sbs: Side By Side Dual Picatinny Rail For M16/AR-15 Black FX-SBS