WHAT DOES KNIGHTS ARMAMENT QUAD RAIL MEAN?

Aspect mounted method by having an integrated MILSTD 1913 rail piece for sighting methods. Designed for use With all the M203. High Power matches replicate the USMC Desk 1 qualification shoot in some ways and can be quite a enjoyment and dynamic taking pictures Level of competition. What sets the M4 RAS other than other 2-piece quad rails availab