Rock River Arms RRAGE 3G Complete Upper, 5.56 NATO, 16″

The Rock River Arms RRAGE 3G Complete Upper is a ready-to-install AR-15 upper chambered for 5.56 NATO. It pairs a 16" chrome moly barrel with a 15" RRAGE 3G M-LOK handguard and an A2 flash hider. The extruded A4 upper receiver includes a port door and omits a forward assist. This assembly ships with a bolt carrier group and charging handle.

Key Specifications

• The caliber is .223 REM/5.56 NATO.
• The barrel length is 16".
• The barrel is chrome moly.
• The barrel material is listed as Steel.
• The rate of twist is 1:8".
• The handguard is a RRA 15-inch RRAGE 3G M-LOK unit.
• The muzzle device is an A2 flash hider with 1/2-28 threading.
• The gas system is car length with a low-profile gas block.
• The upper receiver is extruded A4 aluminum with port door and no forward assist.
• The package includes a bolt carrier group and charging handle and the assembly weighs 4.25 pounds.

Whether assembling a practical duty-style AR-15 or upgrading a range rig, the RRAGE 3G upper provides a serviceable platform with familiar geometry and straightforward maintenance. Its M-LOK-compatible handguard accommodates accessories without excess complexity, while the car-length gas system and A4 receiver design deliver dependable, no-nonsense operation for training and general-purpose use.