Product Description
This M4 Barreled Upper Assembly is complete and ready for you to add your choice of BCG, Charging handle, Optics or Rear Sights. The highly accurate 13.9" (16” OAL) SOCOM profile barrel is QPQ Finished and machined from 4150 Chrome Moly Vanadium steel - rifled 1 x 7 Right Hand twist. An SF3P Flash Suppressor and standard A2 F-Marked Front Sight are fitted. The Flash hider is pinned and welded to meet the ATF 16" requirement.
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. It allows the individual operator to free-float the M203 grenade launcher without additional parts. The Daniel Defense RIS II M4A1 FSP features a cut out in the top rail to accommodate a standard front sight base on a carbine length gas system.
Specs:
Upper: TNTE 7075-T6 DFL Forged M4 Upper. We used Cardinal Forge.
Barrel: TNTE 13.9" 5.56 NATO HBAR 4150 1/7 QPQ
Gas System: Carbine
Gas Block: F Marked A2
Handguard: DD RIS2
Flash Hider: Surefire 3P
BCG: None
Charging Handle: None
