Daniel Defense AR-15 M4A1 RIII Upper Receiver Assembly 5.56x45mm NATO 14.5" Barrel (FDE, RIS III Handguard, GRIP-N-RIP Charging Handle, M16 BCG)

The Daniel Defense AR-15 M4A1 RIII Upper Receiver Assembly is built around a 14.5 inch Cold Hammer Forged M4 Profile barrel with a permanently attached Daniel Defense Flash Suppressor, a GRIP-N-RIP Charging Handle, and mid-length gas system. It features a 12.5 inch lightweight RIS III rail—modeled after the revolutionary RIS II two-piece handguard developed for SOCOM—features M-LOK attachment for lighter weight while still offering M203 grenade-launcher attachment. All Daniel Defense complete upper receiver groups come standard with an M16 profile bolt carrier group. Features Cold Hammer Forged Barrel Pinned Low Profile Gas Block GRIP-N-RIP Charging Handle FDE handguard