Gas System PartsAero PrecisionSold by Brownells

Aero Precision

Ar-15 Low Profile Adjustable Gas Blocks - Low Prof Adjustable Gas Block W/Screws .625'''' For Ar-15 Black

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Low-profile Adjustable

Gas block for AR-15 platforms

Includes Screws

For installation

Sized .625-inch

Barrels

Black Finish

Manufactured Aero

Precision

$71.99
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SKU: 100041837

Overview

This low-profile adjustable gas block is designed for AR-15 setups where a compact profile and gas tuning are needed. It is intended for builders and shooters who want a clean fit under handguards while keeping the system adjustable. The included screws support installation, and the black finish gives it a subdued, practical look. As with any adjustable gas component, it is best suited to users who want a more tailored setup rather than a fixed configuration.

Why Hunters Choose the Aero Precision

Low Profile

Design for a streamlined fit

Adjustable Gas

Block configuration for user tuning

Includes Screws

For installation

Sized .625

Inch barrels

Black Finish

For a clean, understated look

Key Features

  • Low-profile adjustable gas block for AR-15 platforms.
  • Includes screws for installation.
  • Sized for .625-inch barrels.
  • Black finish.
  • Manufactured by Aero Precision.

Best Used For

  • AR-15 builders needing a low-profile gas block for a .625-inch barrel journal
  • Shooters assembling a clean-profile upper with limited clearance under handguards
  • Users wanting an adjustable gas block for tuning an AR-15 setup
  • Aero Precision customers looking for a straightforward gas block component
  • Builders replacing an existing .625-inch gas block on an AR-15 platform

Specifications

AdjustableYes
ColorBlack
Country Of OriginAero Precision
Gas Block Diameter.625
Includes ScrewsYes
Product TypeLow profile gas block

Pros

  • Low profile design for a streamlined fit on AR-15 setups
  • Adjustable gas block configuration for user tuning
  • Includes screws for installation
  • Sized for .625 inch barrels
  • Black finish for a clean, understated look

Considerations & Trade-offs

  • Limited to .625" barrel compatibility as listed, so it is not a universal fit for all AR-15 setups.
  • Low-profile design is intended to stay compact, which may leave less external surface area to work with during installation or adjustment.
  • The provided product data does not include detailed specifications beyond the basic gas block description, so buyers will need to verify fitment against their build requirements.
  • No additional accessories or installation hardware are described beyond the screws mentioned in the title, so confirm what is included before purchase.

Suggested Comparisons

  • Standard gas blocks
  • Adjustable gas blocks
  • AR-15 upper receiver components
  • AR-15 build accessories

Suggested Accessories

  • AR-15 handguard
  • Gas tube
  • Roll pin punch set
  • Thread locker

Frequently Asked Questions

What is this product used for on an AR-15 build?

This is a low profile adjustable gas block for an AR-15 platform. The provided data identifies it as a gas block, but does not include additional functional details beyond that.

What size is this gas block?

The product title specifies .625". No other sizing information is provided in the source data.

Does this include screws?

Yes. The product title states that it is a low profile adjustable gas block with screws.

What brand makes this gas block?

The manufacturer listed in the source data is Aero Precision.

What color is the gas block?

The product title identifies it as black.