Red Army Airsoft Club now has on YouTube an overview and installation of the MadBull Madbull MK18 9.5 Daniel Defense SOPMOD II RIS II Handguard. Designed to be used with the MK18 CQB-R for the USSOCOM SOPMOD II Program. This has a free floating barrel design, bolt up system, and a rail mounted M203 grenade launcher can easily be fitted underneath it.