Rise Armament Complete Upper 6mm ARC 18 Barrel

Overview

Rise Armament 6MM ARC Complete Upper Features The Rise Armament Complete Upper is built for precision featuring an 18-inch stainless steel barrel with a 1/2x28 threaded muzzle allowing easy attachment of suppressors or muzzle devices. The rifle-length gas system ensures smooth cycling and reduced recoil making this an excellent choice for competitive shooters and long-range enthusiasts. Equipped with a 15.25-inch free-float M-LOK handguard this upper offers ample space for accessory customization while improving accuracy by eliminating barrel interference. The Rise Ambidextrous Charging Handle enhances versatility for both left- and right-handed shooters and the black nitride bolt carrier group (BCG) provides superior wear resistance and long-term reliability. Rise Armament 6MM ARC Complete Upper Specifications Caliber: 6MM ARC Barrel Length: 18 Barrel Material: 416R Stainless Steel Twist Rate: 1:7 Muzzle Thread: 1/2x28 Gas System: Rifle Length Handguard: 15.25 Free Float M-LOK Receiver Material: Forged Billet Aluminum Charging Handle: Rise Ambidextrous Charging Handle Bolt Carrier Group: Black Nitride BCG Finish: Black Anodized