Fortis LE LW Enhanced End Plate System K2 Locking Lever AR-15 Black

When designing the Lightweight Enhanced (LE) Castle Nut & End Plate System, Fortis came up with two systems that virtually eliminates the risk of your castle nut ever backing out. With the two lockdown systems (K1 & K2), they engineered a solution to install the castle nut onto the end plate that is not only robust, but also stands true to the Fortis brand of innovation and ingenuity. The K2 mechanism, in particular, features a unique locking lever that perfectly aligns and slots into the end pl