Area 419 Arcalock 8 in Universal Flat Rail Black

Area 419 Arcalock 8 in Universal Flat Rail Black. They became very popular because they solved two important problems: they eliminated the need for friction lock systems that rely on a set of keys to lock the rail in place and they eliminated the need for rail expansion panels that add no additional weight to the rifle. This ARCALOCK rail fulfills both of these needs. The ARCALOCK system uses a mechanical lock much the same way as a t-nut or wing nut into an aluminum rail that can be installed b