B
Boscar469Geissele SGB
Reviewed on April 25, 2026
set screw design with locking screws on top of locking screws. clamps on a .750 journal and stays put under sustained fire. nitride finish is consistent, the SGB stamp is small and clean
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Geissele Automatics Sgb Geissele Super Gas Block, Black
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Geissele
Overview
The Geissele Super Gas Block is a low-profile gas block designed to fit a gas system with a diameter of .750 inches. Its black finish provides a sleek appearance while ensuring durability in various conditions. This gas block is commonly found in mid-length builds chambered in 5.56 NATO, making it an excellent choice for those looking to optimize their rifle's gas system performance.
Specifications
MPN05-807N
ProfileLow Profile
FinishBlack
Gas Block Diameter.750
Available Merchants(4)
Prices checked
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September 2026 on GunPartPicker
Geissele Automatics Sgb Geissele Super Gas Block, Black ranked #19 of the 67 gas blocks builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #23 of the 210 gas blocks builders have added. Builds with this gas block are nearly all chambered in 5.56 NATO, split between mid-length (53%) and carbine-length (37%) gas systems, and nearly all AR-15.
It was hard to find in September 2026, in stock on only 5 of the 21 days we checked, and today 3 of the 4 retailers we track have it in stock. Prices barely moved in September 2026, holding around $80, so there haven't been real sales lately. Buying today, the lowest price is $84 at Brownells.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Read the guide: AR-15 Gas Block Guide →Check it against the live catalog:
Frequently Built With
The part most often added in each category by the builds that include this one
Geissele Automatics Reliability Enhancement KIT H1
Bolt Carrier Group$444in 20% of them
Geissele Automatics AR-15 16" CHF Chrome Lined Barrel 5.56mm
Barrel$320 · out of stockin 15% of them
Geissele Automatics Airborne Charging Handle Black
Charging Handle$100in 10% of them
Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4
Upper Receiver$129 · out of stockin 15% of them
Geissele Automatics MK14 13.5" Super Modular Rail Handguard M-LOK Ddc
Handguard$313in 10% of them
Wilson Combat AR-15 Lower Receiver Forged
Lower Receiver$100 · out of stockin 10% of them
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
CaliberBased on real build data showing which calibers builders choose alongside this product.
100%
5.56 NATO100%
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
52.6%
Mid-Length52.6%
Carbine36.8%
Rifle10.5%
Builds Featuring This Part
See all builds →Builds in the community that include the Geissele Automatics Llc Sgb Geissele Super Gas Block, Black
| Build | Parts | Total |
|---|---|---|
 | 11 | $1971.42 |
 | 12 | $1281.55 |
 | 18 | $1426.16 |
 | 21 | $3120.51 |
 | 29 | $5367.80 |
Customer reviews
5.0out of 5
1 global rating
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