The NcSTAR AR15 Carbine Lenght Quad Rail Handguard replaces factory 6.5 inch AR15 Carbine/M4 handguards. The Quad Rails allow the attachments of lights, lasers, vertical grips, and other accessories that can mount onto weaver, Picatinny, and MIL STD 1913 type rails.
MAR4S, AR15/M4 Carbine Length Quad Rail Handguard; 3rd Gen MAR4S is now lighter and has a slimmer profile than earlier models
Fits onto AR15 Carbines/M4 with the carbine length gas system using the GI Handguard Cap and Delta Ring
The Solid Quad Rail provides the steady platform attaching: Optics, Lasers, Flashlights, Vertical Grips, Bipods, and other accessories
Very easy to install with four Allen head screws and the provided mounting tool; No gunsmithing required, drop-in fit
Black Anodized finish, Aluminum construction