KAC AR-15 Rifle RAS

M5 RAS For 20" Barrels -- Installing the KAC forend rail system is the first step in modernizing your weapon to Modular Weapon System status. KAC forend rail systems have four parallel Military Standard 1913 rails. One each above, below, and along the sides of the barrel. They allow the user to mount a variety of useful accessories such as reflex sights, lasers, forward pistol grips, flashlights, bipods, etc., with minimal effort!