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Ar-15 Low Profile Gas Blocks - Low Profile Gas Block .625'''' W/Aero Logo For Ar-15 Nitride
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$35.99
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SKU: 100054370
Overview
This low-profile gas block is built for AR-15 setups that need a compact fit under handguards while matching a .625 barrel diameter. It is made from 4150 hardened steel and finished in nitride, with an Aero logo engraving for a clean, branded look. The design uses steel 10-32 x 3/16 knurled cup point set screws, and a roll pin is not included. For builders who want a straightforward, low-profile component from Aero Precision, it offers a practical option without extra bulk.
Why Hunters Choose the Aero Precision
Low-profile Design
Supports easier fitment on compatible
Fits .625,
.750, .825, and .936 OD
Constructed From
4150 hardened steel
Available Phosphate
Phosphate or nitride coating
Engraved Aero
The Aero logo for a
Key Features
- Low-profile gas block designed for AR-15 applications.
- Fits .625, .750, .825, and .936 OD barrels.
- Constructed from 4150 hardened steel.
- Nitride-coated finish with Aero logo engraving.
- Uses steel 10-32 x 3/16 knurled cup point set screws.
- Roll pin is not included.
Best Used For
- AR-15 builders needing a low-profile gas block for .625-inch barrel compatibility.
- Shooters choosing Aero Precision parts with either logoed or plain finish options.
- Users who want a nitride-coated gas block for a clean, compact barrel setup.
- Builders replacing or assembling gas system components with included steel set screws.
- Owners who prefer a made-in-USA gas block and can source a separate roll pin.
Specifications
| Blade Finish | Nitride |
|---|---|
| Engraving | Aero Logo or plain |
| Fits Barrels With | .625, .750, .825, .936OD's |
| Made In Usa | Yes |
| Material | 4150 hardened steel |
| Other Finish Option | Phosphate |
| 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 builds.
- Fits .625, .750, .825, and .936 OD barrels.
- Constructed from 4150 hardened steel.
- Available with phosphate or nitride coating.
- Engraved with the Aero logo for a branded look.
- Made in the USA by Aero Precision.
Considerations & Trade-offs
- This is a .625 fitment model, so barrel compatibility needs to be confirmed before ordering.
- A roll pin is not included, so installation may require sourcing that part separately.
- Aero notes that red thread locker is not recommended on the set screw threads; if used, a non-permanent variety is preferred.
- The low-profile design is intended for easy fitment, but it still requires proper alignment and secure set-screw installation.
Suggested Comparisons
- AR-15 gas blocks
- Low-profile gas blocks
- Nitride-finished gas blocks
- Phosphate-finished gas blocks
Suggested Accessories
- Roll pin
- Non-permanent thread locker
- Barrel installation tools
- Gas tube
Frequently Asked Questions
What barrel sizes does this low profile gas block fit?
According to the product data, it fits barrels with .625, .750, .825, and .936 OD options. This specific listing is for the .625 version.
What material is the gas block made from?
The product is constructed from 4150 hardened steel.
What finish does this model use?
This listing is described as having a nitride coating.
Does this gas block include a roll pin?
No. The product data states that the roll pin is not included.
Are there any installation notes I should know before using thread locker?
Yes. Aero Precision notes that red thread locker is not recommended on the set screw threads. If thread locker is used, they recommend a non-permanent variety.