Geissele Automatics Super HBAR Upper Receiver Group 16″ 5.56 w/ 0.812″ Journal, Desert Dirt Color
The Super HBAR improves upon the renown Super Duty and has updated several key components to continue providing unmatched volumes of fire and accuracy.
The Super HBAR Uppers feature a thicker HBAR profile, with a .812 gas journal, custom reinforced .812 gas block and a significantly thicker Super HBAR straight gas tube. Our Super HBAR Upper effortlessly handles higher volumes of fire without sacrificing match grade accuracy.
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 15” 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: 25.375″
- Caliber: 5.56mm
- Color: Desert Dirt Color
- Receiver: Super Duty w/ Cam Pin Cut-Out and Rail Notch
- Bolt Carrier Group: Reliability Enhanced Bolt Carrier Group
- Bolt: Geissele Stressproof Bolt
- Rail: 15″ MK16 Super Modular Rail with Center Tab
- Barrel: 16″ Cold Hammer-Forged Barrel, 1:7 Twist, 0.812″ HBAR Profile
- Gas System: Geissele Length
- Gas Block: Super HBAR Gas Block (.812 Gas Journal)
- Gas Port Size: 0.075″
- Charging Handle: Airborne Charging Handle
- Muzzle Device: HUXWRX Flash Hider-QD 6
- Thread Pitch: 5/8×24
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