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Questions & Answers
Customer Reviews
Most Recent Reviews
Satisfied for the price by County10kid, Verified Owner, March 5, 2025
Works as should, great price. Mounted with a Faxon 5.56 rifle build
Most Recent Reviews
Gas block on thick barrel by HM, Verified Owner, July 3, 2024
The fitment was prefect and there was no issues. One thing I will complain about was the lack of role pins, they in the description and pictures but none showed.
Most Recent Reviews
Ar adjustable gas block by D, Verified Owner, March 21, 2024
This is an awesome deal on an adjustable gas block. Has the same features as blocks five times the price. Highly recommended
Read All 3 Reviews

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Product Info for AT3 Tactical Low Profile Gas Block

The AT3 Tactical Low Profile Gas Block was made to be the ideally suited item for anybody needing a top quality option..image

These AR Gas Blocks from the professional product experts at AT3 Tactical are fashioned by using long lasting and reliable components, to be able to provide you with product which will be useful for countless years. Manufactured utilizing some of the very best accessible components and construction, these AR Gas Blocks through the product professionals at AT3 Tactical can last an exceptionally lengthy time.

AT3 Tactical has been generating high quality merchandise for a number of years, and the AT3 Tactical Low Profile Gas Block is their very own manner of revealing just how much they care.

At OpticsPlanet, we ensure that it is our responsibility to purchase the most suitable solution for all your needs, and presenting the AT3 Tactical Low Profile Gas Block is something that we're happy to offer.

Specifications for AT3 Tactical Low Profile Gas Block:

Manufacturer: AT3 Tactical
Color: Black
Fabric/Material: 4150 Steel
Gas Port Size: 0.081 in
Gas System Length: Rifle Length
Caliber: 5.56x45mm NATO
Gun Make: AR Platform
Gun Model: AR-15
Weight: 1.8 oz
Condition: New
Gas Block Journal Size-Length: 1 in

Features of AT3 Tactical Low Profile Gas Block

  • 4 sizes available: .625'', .75'', .825'', and .936 (.75'' is the most common size, but always measure the barrel if you arent sure!)
  • Low profile design, perfect with our free floating handguard
  • Steel construction (better than aluminum for withstanding extreme temperatures)
  • Secured using 2 set screws
  • Backed by the AT3 Lifetime Warranty

Package Contents:

  • AT3 Tactical Low Profile Gas Block
  • Roll Pins
  • Set Screws
  • Allen Wrench

AT3 Tactical Low Profile Gas Block Orderable Models

List of Orderable Models

  • AT3 Tactical Low Profile Micro Steel Gas Block, .750in, GB-75S , MPN: GB-75S , UPC: 5060748421425 , Code: 4U2-RGB-LWGSB-GB-75S
  • AT3 Tactical Low Profile Micro Steel Gas Block, .625in, GB-625S , MPN: GB-625S , UPC: 5060748421418 , Code: 4U2-RGB-LWGSB-GB-625S
  • AT3 Tactical Low Profile Micro Steel Gas Block, .875in, GB-875S , MPN: GB-875S , UPC: 5060748421432 , Code: 4U2-RGB-LWGSB-GB-875S
  • AT3 Tactical Low Profile Micro Steel Gas Block, .936in, GB-936S , MPN: GB-936S , UPC: 5060748421449 , Code: 4U2-RGB-LWGSB-GB-936S

AT3 Tactical Low Profile Gas Block Unavailable & Discontinued Models

List of Unorderable Models

  • USED AT3 Tactical Low Profile Micro Steel Gas Block, .625in, GB-625S, EDEMO2, Used, Condition Fair, Condition Fair, Used , MPN: GB-625S-EDEMO2 , Code: 4U2-RGB-LWGSB-GB-625S-EDEMO-US-D
  • USED AT3 Tactical Low Profile Micro Steel Gas Block, .625in, GB-625S, EDEMO1, Used, Condition Fair, Installed/Mounted , MPN: GB-625S-EDEMO1 , Code: 4U2-RGB-LWGSB-GB-625S-EDEMO-IN-D
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