Daniel Defense M4A1 RIS II 12.25" Handguard

Daniel Defense RIS II Handguard

The Rail Interface System II represents a purpose-built solution developed specifically for professional operators. Originally designed at the request of United States Special Operations Command for the SOPMOD II program, this handguard brings proven military-grade engineering to the civilian market.

Key Features

• Free-floating design allows the barrel to vibrate naturally without contact, improving accuracy potential
• 12.25-inch length provides excellent rail real estate for mounting optics, lights, and other tactical accessories
• 6061-T6 aluminum construction delivers durability and reliability in demanding conditions
• Black anodized finish resists corrosion and provides a professional appearance
• Picatinny rail system ensures compatibility with standard military-specification accessories
• M203 grenade launcher compatible without requiring additional adapter parts

Specifications

This handguard is engineered for AR-15 platform rifles and integrates seamlessly with standard upper receivers. The free-floating barrel design eliminates contact between the barrel and handguard, a principle long understood to enhance accuracy by reducing harmonic vibration.

Ideal For

Whether you're building a precision rifle, a tactical carbine, or a general-purpose AR-15, the RIS II provides the modularity and performance characteristics that serious shooters demand.