The Rock River Arms LAR-15M RRAGE 3G Upper Assembly is crafted for precision and durability making it an excellent choice for enthusiasts seeking reliability in their firearm components. Featuring a 16-inch chrome moly barrel this assembly ensures long-lasting performance and accuracy with every shot. The extruded aluminum A4 upper receiver complete with a port door provides a solid foundation without the added weight of a forward assist. Its car length gas system is complemented by a low profile gas block enhancing the overall efficiency and smooth operation of the rifle. The 15-inch RRAGE 3G handguard is MLOK compatible offering versatile accessory attachment options for customization. Weighing in at just 4.25 pounds this upper assembly includes both the bolt carrier group and charging handle assembly ensuring a comprehensive package ready for assembly and use.