The NcSTAR MAR4ST 6.5" Length Aluminum Quad Rail Handguard Tan enhances versatility and performance for your .223/5.56 carbine. This third-generation handguard boasts a lightweight and slim design, making it an ideal choice for tactical applications. Its sturdy quad rail system allows for easy attachment of optics, lights, and more, while large ventilation holes maintain optimal barrel temperature during use. NcSTAR's 3rd Generation MAR4ST, .223/5.56 Carbine Length Quad Rail Handguard Lightweight and slim profile Fits onto carbine length gas systems Solid Quad Rail for steady accessory mounting Large ventilation holes for cooling Easy installation with no gunsmithing required Durable aluminum construction with tan finish Laser-engraved rail markings for quick reference Length: 6.5" (O.A.L. 6.7"), Width: 2.3", Height: 2.3", Weight: 9.9 oz Upgrade your firearm's performance with the NcSTAR MAR4ST handguard today.