Officially licensed by Heckler & Koch

air seal and durability

Magazine Capacity: 300rd Hi-cap

Model: SPX in Black

INNER BARREL HAS A TIGHTBORE DIAMETER OF 6

Madbull Airsoft Daniel Defense 12" M4RIS II in Flat Dark Earth HPA Adapter Officially licensed by Heckler &About M4A1 RIS II: The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a specific requirement for a free float M203 solution and Daniel Defense responded, designing a revolutionary product to meet the government's need. The Daniel Defense RIS II allows the individual operator to free float the M203 grenade launcher without additional