Geissele Super Duty MOD1 5.56 NATO 14.5" 1:7" CHF Chrome Lined Pinned & Welded Bbl Black Complete Upper Receiver Group 08-547B

Geissele Super Duty MOD1 5.56 NATO 14.5" 1:7" CHF Chrome Lined Pinned & Welded Barrel Black Complete Upper Receiver Group 08-547B is a rugged, precision-engineered upper receiver designed for tactical and competitive use. It features a 14.5-inch cold hammer-forged barrel with a 1:7 twist rate, chrome lining for durability, and a Geissele profile for balanced weight and strength. The barrel is pinned and welded to a HUXWRX Flash Hider-QD 556 suppressor-ready muzzle device, enhancing versatility and noise reduction capability. This upper includes the Geissele Reliability Enhanced Bolt Carrier Group coated with Nanoweapon for smooth, reliable operation, and a chrome-lined gas key for corrosion resistance. The Airborne Charging Handle adds ergonomic ease and durability for consistent cycling.

The upper is built on a black anodized receiver and paired with a MK16 Super Modular Rail handguard for extensive modularity and accessory mounting options. This combination offers lightweight strength while supporting tactical customization. The complete upper assembly provides a high-performance solution ready for demanding shooting environments, making it ideal for users seeking reliable function and accuracy in 5.56 NATO platforms.

• Caliber: 5.56 NATO
• Barrel Length: 14.5"
• Barrel Profile: Geissele Profile
• Barrel Construction: Cold Hammer Forged (CHF)
• Barrel Finish: Chrome Lined
• Barrel Twist Rate: 1:7
• Muzzle Device: HUXWRX Flash Hider-QD 556 (Pinned & Welded, Suppressor-ready)
• Bolt Carrier Group: Geissele Reliability Enhanced BCG (Nanoweapon-coated, Chrome-lined gas key)
• Charging Handle: Airborne Charging Handle
• Handguard: MK16 Super Modular Rail
• Receiver Finish: Black Anodized
• Part Number: 08-547B