Geissele Automatics Super Duty Mod 1 Upper Receiver Group 10.3″ 5.56, Black
The Super Duty Mod 1 improves upon the renown Super Duty and has updated several key components to continue providing unmatched accuracy, comfort and performance.
Geissele provides the latest in weapon technology available. This 10.3” upper chambered in 5.56mm features a nanoweapon-coated HUXWRX Flash Hider-QD muzzle device installed on our in-house 10.3” Manganese Phosphate coated, Cold Hammer Forged, Chrome Lined, 1-7 twist barrel. Geissele barrels are High-Pressure Tested (HPT) and Magnetic Particle Inspected (MPI). The Geissele length gas system and Geissele Super Compact Gas Block (with bomb-proof installation) ensure reliability and optimal performance in extreme conditions and heavy use.
At the heart of this rifle is the Geissele Reliability Enhanced Bolt Carrier Group. Our Nanoweapon-coated carrier features a properly torqued and staked, Chrome Lined, Nanocoated gas key. The Cam Pin is machined from advanced, tool steel known as H13 which is also coated with Nanoweapon for maximum corrosion and wear resistance. The Reliability Enhanced Bolt Carrier Group features extended upper rails, providing greater stability and dramatically increasing feeding reliability.
The Reliability Enhanced Bolt Carrier Group comes with the Geissele Stressproof Bolt. Each bolt is rigorously inspected, high-pressure tested, mag particle inspected and Nanoweapon coated.
Rounding up the package is a 9.3” MK16 Super Modular Rail, that mates to the Super Duty Upper Receiver via a center aligning tab that removes any chance of rail rotation. The MK16 family of rails is renowned by operators for their performance and comfort. An Airborne Charging Handle ensures smooth and reliable operation.
Specifications
- Overall Length: 19.5″
- Caliber: 5.56mm
- Color: Black
- Receiver: Super Duty w/ Cam Pin Cut-Out and Rail Notch
- Bolt Carrier Group: Reliability Enhanced Bolt Carrier Group
- Bolt: Geissele Stressproof Bolt
- Rail: 9.3″ MK16 Super Modular Rail with Center Tab
- Barrel: 10.3″ Cold Hammer-Forged Barrel, 1:7 Twist, Geissele Profile
- Gas System: Carbine
- Gas Block: Super Compact Gas Block
- Gas Port Size: 0.070″
- Charging Handle: Airborne Charging Handle
- Muzzle Device: HUXWRX Flash Hider-QD 556
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