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Ar-15 Low Profile Gas Blocks - Low Profile Gas Block .750'''' W/No Logo For Ar-15 Nitride
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$25.49
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SKU: 100054375
Overview
This low-profile gas block is intended for AR-15 builds that need a compact fit under handguards while matching a .750 barrel profile. It is offered in a plain, no-logo version with a nitride finish, giving builders a clean look without added markings. Aero Precision lists it as constructed from 4150 hardened steel and fitted with steel 10-32 x 3/16 knurled cup point set screws. A roll pin is not included, and the product notes recommend avoiding red thread locker on the set screws in favor of a non-permanent option if needed.
Why Hunters Choose the Aero Precision
Low-profile Design
Supports easier fitment on compatible
Fits .750-inch
Additional size options listed in
Constructed From
4150 hardened steel for a
Nitride Coating
Is specified in the product
Plain, No-logo
Version offers a clean, understated
Key Features
- Low-profile gas block for AR-15 applications
- Fits .750 barrel diameter
- Nitride finish
- Constructed from 4150 hardened steel
- Uses steel 10-32 x 3/16 knurled cup point set screws
- Roll pin not included
Best Used For
- AR-15 builders needing a low-profile gas block for .750-inch barrel compatibility.
- Shooters wanting a plain, no-logo Aero Precision gas block for a clean build.
- Users selecting a nitride-finished gas block for a simple, subdued exterior.
- Builders who prefer set-screw installation hardware already specified with the block.
- Those assembling rifles and needing a compact gas block with easy fitment.
Specifications
| Blade Finish | Phosphate or nitride coating |
|---|---|
| Fits Barrel Od | .625, .750, .825, .936 |
| Logo | No logo |
| Made In Usa | Yes |
| Material | 4150 hardened steel |
| Profile | Low profile |
| Roll Pin Included | No |
| Set Screws | Steel 10-32 x 3/16 knurled cup point |
| Thread Locker Recommendation | Do not use red thread locker; use non-permanent variety if needed |
Pros
- Low-profile design supports easier fitment on compatible AR-15 setups.
- Fits .750-inch barrels, with additional size options listed in the product data.
- Constructed from 4150 hardened steel for a robust gas block body.
- Nitride coating is specified in the product title and description.
- Plain, no-logo version offers a clean, understated appearance.
- Steel 10-32 knurled cup-point set screws are included in the specifications.
Considerations & Trade-offs
- Roll pin is not included, so installation requires that part to be sourced separately.
- The low-profile design is intended for easy fitment, but it offers less visual distinction than the engraved Aero-logo version.
- Available in multiple barrel sizes and finishes, so this specific plain nitride model is only one configuration within the line.
- If thread locker is used on the set screws, the product notes recommend a non-permanent variety rather than red thread locker.
Suggested Comparisons
- AR-15 gas blocks
- Low-profile gas blocks
- Phosphate or nitride-coated gas blocks
- Barrel accessories
Suggested Accessories
- Roll pin
- Non-permanent thread locker
- Armorer's wrench
- Gas tube
Frequently Asked Questions
What barrel size does this low profile gas block fit?
This model is listed for .750 barrel OD. The product data also notes Aero Precision gas blocks are available for .625, .750, .825, and .936 OD barrels, but this specific item is the .750 version.
Does this gas block have a logo on it?
No. The title and description identify it as the no-logo version.
What finish does this gas block use?
The product title identifies it as nitride, and the description says Aero Precision gas blocks are available in phosphate or nitride coating.
What is included with the gas block?
The description lists the gas block and set screws. It also notes that a roll pin is not included.
Are there any installation notes I should know about?
Yes. The manufacturer note says not to use red thread locker on the set screw threads. If thread locker is used, a non-permanent variety is recommended.