Fortis Manufacturing 12.9" Night Rail(TM) Free Float Rail system - Keymod

Fortis Manufacturing 12.9" Night Rail(TM) Free Float Rail System - Keymodhandguard that was easy to install, yet able to mount with full 360-degree 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 it takes to make 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.Features 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 M-LOK attachment points No visible screws on the rail system Will include (throw away) barrel nut wrench to install 1.35" Internal Diameter Made in the USA