Introducing NcSTAR's 3rd Generation MAR4S .223/5.56 Carbine Length Quad Rail Handguard. This upgraded model offers a lighter and slimmer profile for improved handling. With easy installation and no gunsmithing required, it's a drop-in fit onto carbine length gas systems. Constructed from durable aluminum with a black anodized finish, it features large ventilation holes to keep the barrel cool during use. Laser engraved rail markings ensure precise accessory placement. Length: 6.5" (6.7" overall), Width: 2.3", Height: 2.3", Weight: 9.9 oz.