Fortis Manufacturing Night Rail Handguard 12.875 Keymod for AR-15

Night Rail Features When designing the Night Rail Fortis wanted to design a handguard that was easy to install but also to be able to mount with a full 360 degrees of contact. Their new patent pending two piece barrel nut is one of a kind. Fortis developed it from the ground up and the machining time it takes to make the barrel nut rivals the time making the actual rail. That s not to say the rail is simple to make. One look and you ll see that they really took time with this in design and development. What they ended up with is a rail that not only looks amazing but is still true to Fortis lightweight brand. The barrel nut/mounting system keeps the rail performing even during the harshest of conditions. Night Rail Specifications Manufacturer: Fortis Manufacturing Inc. Manufacturer Part #: NTR-12-KM Model: Night Rail Color: Black Fits: AR-15 Size: 12.875 Material: Aircraft Grade 6061-T6 Aluminum / Barrel Nut: 4140 Steel Proprietary patented 2 piece barrel nut that provides 360 degree contact Free float rail design No visible screws on the rail system Will include (throw away) barrel nut wrench to install 1.35 Internal Diameter