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AT3™ Low Profile Micro Steel Gas Block – 4 Sizes Available
Lifetime WarrantyOn All AT3 Brand Products
All AT3 Tactical Brand Products carry a lifetime warranty against manufacturer’s defects.
This includes AT3 Red Dot Sights, Handguards, Iron Sights, and any other product that carries the “AT3 Tactical” or “AT3™” name. For other brands (ex. Magpul or Troy), please refer to the manufacturer’s warranty policy.
In the event that your AT3™ product becomes unusable, we will repair or replace the product at no charge to you.
If we cannot repair your product, we will replace it with a product in perfect working order of equal or better physical condition. The warranty is fully transferable, but we may require information about the original purchase to validate the authenticity of the product.
If your product is in need of warranty service, please contact AT3 Tactical to start the process
Our contact info is available here. To expedite processing, please provide your order information and description of the defect.
Please note: The AT3 Lifetime Warranty does not cover loss, theft, intentional damage or cosmetic damage that doesn’t affect the performance of the product.
Fast & Free Shipping On orders over $50
You will receive fast, free shipping for all orders over $50
Shipping cost is $7.99 for orders under $50. We ship with UPS or USPS, depending on the item.
Most orders received by 1pm CST ship the same day
You will receive an email with tracking information at the time of shipment. To expedite shipping, we may ship your order from multiple warehouses. Orders placed on weekends, holidays, or after 1pm will ship the following business day.
This premium Steel Micro Gas Block comes in 4 sizes: .625″, .75″, .875″, and .936″.
We have a fit for every barrel!
- 4 sizes available: .625″, .75″, .825″, and .936 (.75″ is the most common size, but always measure the barrel if you aren’t sure!)
- Low profile design, perfect with our free floating handguard
- Steel construction (better than aluminum for withstanding extreme temperatures)
- Secured using 2 set screws (screws, allen wrench and roll pin included)
- Backed by the AT3 Lifetime Warranty
- Material: 4150 Steel, Black Finish
- Length: 1″
- Height: Sits 3/8″ off of the barrel (fits under all free float handguards!)
- Weight: 1.5-1.8oz depending on size
- Packaging: PE Bag
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Perfect fit. Will buy again for next build.
Easily fit my 300 AAC Blackout barrel and AT3 7" quad rail. Excellent buy!
Everything was a good fit, looks great
Exactly what I was looking for. A very reasonable price. Fast service expected and delivered
Easy to put on, works great