Knight's Armament Co.

M4 RAS Forend Assembly Knight's Armament PN:98064 The KAC M4 RAS (Rail Adapter System) was designed for the US military’s M4 Carbine and has become one of the most battle-tested rail systems...

Knight's Armament Rear Sight Peep Aperture Insert, 300 Meter PN:97081 This KAC Aperture Sight Insert snaps into a 300 Meter Flip Up Rear Sight, constricting the peep aperture for a more precise...