Here at NcSTAR, We are continuously expanding our line of Model 15/M4/16 Accessories. The request for an NcSTAR multi-rail handguard set has been so overwhelming that we couldn’t hold back any longer. Introducing the AR Seriesd Quad Rail System. This 4 Rail Handguard System is designed to replace your standard AR Series handguards installing in minutes with NO gunsmithing or modifications required. The Removable Weaver Style Rails are Customizable so you can attach Forward Grips, Flashlights, Lasers, or any other type of rail mounted accessories. The Quad Rail System is constructed of Hard Anodized Aluminum to prevent corrosion for lasting durability. Rifle Length MAR4L (12 inches).