Geissele Low Profile Super Gas Block (SGB) – Nitride
The Geissele Super Gas Block is a low-profile gas block, designed to fit under most free-floating handguards. Precision investment-cast from 17-4 precipitation-hardening stainless steel, the gas block provides corrosion resistance and the strength to withstand thousands of rounds, so it never lets you down. The included instructions cover the standard set screw installation method, as well as Geissele’s own “Bombproof Installation”. The bombproof installation uses an included coil pin to lock the gas block in place on the barrel, preventing it from sliding or twisting under any operating conditions. Additionally, the Super Gas Block comes with an SS dowel pin that can be used to effortlessly align the SGB with Geissele CHF barrels, ensuring perfect alignment with the gas port.
Specifications
- Color:Â Black
- Material: Precipitation Hardness Stainless Steel
- Compatibility: AR Platform
- Gas Block Journal Size-Diameter: .750 in




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