• Monolithic type continuous top rail
• Piston compatible, works with most well known piston systems
• Four anti-rotation QD sockets for push button sling swivels
• Generation 2 handguard

Four Picatinny rails contain 28 mounting slots for lasers, optics, bipods, vertical grips, and lights and each MIL-STD rail is USGI type laser etched with lettering and numbering. Two-piece design permits removal of lower section for installation of a shotgun or grenade launcher.

SPECS: CNC machined from 6061 billet aluminum, hard coat anodized to Mil-Spec. Black. 8Ѕ" (21.5cm) overall length. Fits carbine length barrels with extended gas system as made by Rock River Arms and Armalite.