Product Overview
The Geissele Super Duty MOD1 Upper Receiver is a complete upper receiver for AR-15 platform rifles, chambered in 5.56 NATO. This upper features a 16” Geissele cold hammer forged (CHF) barrel with a chrome lining and a 1:7 twist rate. The barrel is equipped with a Nanoweapon-coated HUXWRX Flash Hider-QD muzzle device.
The Super Duty MOD1 upper utilizes a Geissele length gas system with a Super Compact Gas Block for optimal performance and reliability. It also includes a 15” Super Modular Rail MK16, known for its rigidity and comfort, which attaches securely to the upper receiver with a center alignment tab.
Features:
Caliber: 5.56 NATO
Barrel: 16" Geissele CHF chrome-lined, 1:7 twist barrel
Gas System: Geissele length with Super Compact Gas Block
Rail: 15" Super Modular Rail MK16
Upper Receiver: Super Duty Upper with enhanced cam pin cut-out
Bolt Carrier Group: Nanoweapon coated Reliability Enhanced BCG with Geissele Stressproof Bolt
Muzzle Device: HUXWRX Flash Hider-QD 556
Charging Handle: Airborne Charging Handle
Weight: 4 lbs 5 oz
Overall Length: 25 3/8"
