This NcStar KeyMod handguard is a carbine length drop-in upgrade for your AR-15 and M4 airsoft rifles that comes complete with two Picatinny RIS sections.
Features:
Drop-in replacement for carbine length factory handguards
Compatible with MilSpec AR-15 and M4 airsoft guns
Includes one 5-slot and one 11-slot Picatinny rail adapters
Installs using existing delta ring and retaining cap