Geissele Automatics Super Gas Block, .750, Black
$84.00
This precision investment cast .750 gas block in 17-4 stainless steel delivers high corrosion resistance and fits under most free-float handguards.
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Geissele Automatics Super Gas Block, .750, Black
Geissele precision investment casts this low profile gas block from 17-4 precipitation hardening stainless steel, giving it strength and corrosion resistance well beyond standard phosphate steel blocks. It seats cleanly on .750 gas block journals and fits under most free-float handguards for a clean, lasting build.
For another premium low-profile option, see the Ultradyne Quantum Gas Block, or browse more fixed gas blocks.
Key Features
- Low profile gas block for .750 barrel journals
- Precision investment cast from 17-4 precipitation hardening stainless steel
- Fits under most free-float handguards
- High corrosion resistance and long-term strength
- Color: Black
Specifications
| UPC | 810081130219 |
|---|---|
| Manufacturer | Geissele Automatics |
| Manufacturer Part # | 05-807B |
| Model | Super Gas Block |
| Type | Gas Block |
| Material | 17-4 Precipitation Hardening Stainless Steel |
| Diameter | .750″ |
| Color | Black |
| Subcategory | Long Gun Parts |
What’s Included
- 1x Geissele Automatics Super Gas Block, .750, Black
| Weight | 0.5 lbs |
|---|---|
| Type | Gas Block |
| Model | Super Gas Block |
| Diameter | .750" |
| Material | 17-4 Precipitation Hardening Stainless Steel |
| Color | Black |
| Brand |
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Frequently Asked Questions
What barrel diameter does the .750 Super Gas Block fit?
The .750 designation refers to the inner diameter of the gas block — it fits barrels with a .750-inch outside diameter at the gas block seat. This is the most common diameter on mil-spec government-profile AR-15 barrels. Measure your barrel’s gas block journal before ordering to confirm compatibility, as .750 and .625 diameters are not interchangeable.
Is the Geissele Super Gas Block adjustable?
The Geissele Super Gas Block is a set-screw low profile gas block, not an adjustable model. It provides a fixed gas port opening and is designed for reliable function with a standard gas system. Geissele offers separate adjustable gas block models for applications requiring gas flow tuning, such as suppressed shooting or ammunition-specific optimization.
Does this gas block require a free-float handguard?
A low profile gas block is required when using a free-float handguard, since a standard front sight base is too tall to fit inside most free-float tubes. If you are replacing a standard front sight base to install a free-float rail, the Geissele Super Gas Block is a suitable low-profile replacement that clears any standard free-float handguard.
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