





Ballistic Advantage Low-Profile Gas Block, .625″, Melonite Finish, Black, AR-15
$28.50
Ballistic Advantage low-profile gas block, .625″ diameter, Melonite finish, black, made in USA.
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Ballistic Advantage Low-Profile Gas Block, .625″, Melonite Finish, Black, AR-15
The Ballistic Advantage low-profile gas block fits .625-inch diameter pencil-profile barrels and tucks beneath most free-float handguards. A Melonite salt-bath nitride finish resists corrosion, and two set screws lock it to the barrel journal; roll pin sold separately.
Running a standard-profile .750″ barrel instead? See the Ballistic Advantage .750″ Low-Profile Gas Block, or browse the full lineup of Fixed Gas Blocks.
Specifications
- Diameter: .625 inches
- Style: Low-profile
- Material: Steel
- Finish: Melonite salt-bath nitride, black
- Attachment: Two set screws
- Roll pin: Sold separately
- Fit: Pencil-profile barrels, free-float handguards
- Origin: Made in USA
- SKU: BAPA100041
What’s Included
- 1x Ballistic Advantage Low-Profile Gas Block, .625″
| Finish | Melonite |
|---|---|
| Color | Black |
| Profile | Low-Profile |
| Diameter | .625" |
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What barrel diameter does this gas block fit?
It fits .625-inch diameter barrel journals, common on pencil-profile AR-15 barrels.
Is the roll pin included?
No, the roll pin is sold separately.
How is the gas block secured to the barrel?
Two set screws lock it firmly to the barrel journal to prevent rotation under recoil.
Will this fit under my free-float handguard?
Yes, the low-profile design tucks beneath most free-float handguards without interference.
What finish does this gas block have?
A Melonite salt-bath nitride finish that resists corrosion, chipping, and flaking.




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