Fortis Manufacturing LE Lightweight Enhanced AR15 End Plate System K1 Tapered ODG Castle Nut LE-BLK-K1-ODG. With two lockdown systems (K1 and K2) we've engineered a solution to install the castle nut onto the end plate that is not only robust but...
Fortis Manufacturing LE Lightweight Enhanced AR15 End Plate System K1 Tapered ODG Castle Nut LE-BLK-K1-ODG. With two lockdown systems (K1 and K2) we've engineered a solution to install the castle nut onto the end plate that is not only robust but...