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:
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Caliber: 5.56 NATO
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Barrel: 16" Geissele CHF chrome-lined, 1:7 twist barrel
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Gas System: Geissele length with Super Compact Gas Block
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Rail: 15" Super Modular Rail MK16
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Upper Receiver: Super Duty Upper with enhanced cam pin cut-out
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Bolt Carrier Group: Nanoweapon coated Reliability Enhanced BCG with Geissele Stressproof Bolt
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Muzzle Device: HUXWRX Flash Hider-QD 556
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Charging Handle: Airborne Charging Handle
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Weight: 4 lbs 5 oz
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Overall Length: 25 3/8"
