Geissele Super Gas Block - .750" Low Profile - Black Nitride (05-807B)
Optimize gas flow and reliability on your AR-15 or AR-10 with the Geissele Super Gas Block (SGB) in durable black nitride finish. This precision-engineered, low-profile gas block is built for demanding shooters who want bombproof performance, reduced fouling, and seamless compatibility with free-float rails—perfect for duty rifles, suppressed setups, competition builds, or high-round-count training.
Investment cast from corrosion-resistant 17-4 stainless steel and finished with a tough black nitride coating, the SGB features a tight .750" bore fit, stainless steel dowel pin for perfect alignment, and set screw mounting for secure, vibration-resistant installation. Its compact design hugs the barrel closely to clear even slim handguards while delivering consistent, leak-free gas delivery.
Key Features
- Low-profile design fits under most free-float handguards and rails without interference
- Precision-machined .750" bore for direct compatibility with standard M4/AR-15 carbine barrels
- Investment cast 17-4 stainless steel construction for exceptional strength and corrosion resistance
- Black nitride finish reduces friction, enhances durability, and minimizes carbon buildup
- Includes stainless steel dowel pin for accurate gas port alignment and secure positioning
- Set screw mounting provides rock-solid hold without staking or additional mods
- Non-adjustable for simple, reliable operation in suppressed or unsuppressed configurations
- Sleek black finish complements tactical, blacked-out, or cerakote AR platforms
Specifications
- Manufacturer: Geissele Automatics
- Model: Super Gas Block (SGB) / Super Compact Gas Block
- Manufacturer Part Number: 05-807B
- Color/Finish: Black Nitride
- Material: 17-4 Stainless Steel (investment cast)
- Barrel Journal Diameter: .750"
- Mounting: Set screw with stainless steel dowel pin
- Compatibility: AR-15, M4, AR-10 platforms with .750" gas journal barrels (mil-spec carbine/M4 profiles)
- UPC: Varies by retailer (common Geissele series; confirm with inventory)
Whether you're tuning a suppressed SBR, building a precision DMR, or running a hard-use carbine, the Geissele Super Gas Block delivers elite reliability, cleaner operation, and peace of mind. Easy install and built to last—upgrade your gas system today.
Grab this premium Geissele gas block for your AR and ensure flawless cycling on your next range day or mission!
