AT3™ .75″ (3/4″) AR 15 Gas Block with Top and Bottom Picatinny Rails – Aluminum

SKU: GB-75R

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A lightweight aluminum gas block with top and bottom picatinny rails – great for mounting backup iron sights on the top and a flashlight, laser, or even bipod on the bottom

FEATURES

  • Gas block with top & bottom picatinny rails – top rail sits at height of AR-15 flat top receiver
  • 3 rail slots on the top, 4 on the bottom
  • Secured with 2 set screws (screws and allen wrench included)
  • Also includes 5/64″ roll pin and allen wrench for set screws
  • 3/4″ (.75″) size – works with any .75″ AR-15 barrel
  • Perfect for use with quad rail system
  • One piece construction, solid fit!
  • Length is designed to cover up blemishes on barrel after removing front sight base
  • Secured with 2 set screws (screws and allen wrench included)
  • Backed by the Lifetime AT3 Warranty

ITEM SPECIFICATIONS

  • Material: 6061 Aircraft Aluminum
  • Finish: Hardcoat Anodized
  • Length: 1 7/8 inch
  • Inside Diamter: .75″ (3/4 inch)
  • Weight: 2.6 oz
  • Packaging: PE Bag



Have Questions About this Product?


The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

AT3 Lifetime Warranty Logo

All AT3 Tactical Brand Products carry a lifetime warranty against manufacturer’s defects.

This includes AT3 Red Dot SightsHandguardsIron 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.

Customer Reviews

Based on 17 reviews
65%
(11)
24%
(4)
12%
(2)
0%
(0)
0%
(0)
D
D.W.
Excellent well made Gas Block!

This Gas Block was exactly what I was looking for. It fit great, looks cool, and functions flawlessly. It installed very easy. Im very satisfied.

Thanks for sharing your feedback! We're glad you're satisfied with your purchase. Cheers!

B
B.B.
Review

Went in nicely, pinned and set as expected, great price.
Will (and have) purchase(d) from this company again.

Thanks for sharing your feedback, Bruce. We're glad you're satisfied with your purchase. Cheers!

K
K.h.
gas block

Great product looks good on my rifle

Thanks for sharing your feedback, Kevin. We're glad you're satisfied with your purchase. Cheers!

J
J.D.
Filled the bill

Right price. Good quality. Don't overpay for a 'boutique' gun part elsewhere.

Thanks for sharing your feedback! We're glad you're satisfied with your purchase. Cheers!

D
D.
Lightweight and sleek BUT....

I went with the whole end cap drop in handguard set up and chose this instead of an fsb. The gas hole in this block is way off from my barrel port compared with the low pro that came with it. Using the end cap of course made it even more off. I will say this, customer service is awesome with this company. They sent another one right away. But the next one is even further off. I use a machinist rule to measure them. Ended up having to open up port on barrel and I barely get enough gas now. But it's functional. This all could be a result of BCAs barrel port location being to far back towards the shoulder. All I have to compare is 2 BCA barrels. Like I said, these guys at AT3 have awesome customer service tho

So sorry to hear about the issue, Dan. If you can please reach out to us, we'd like to help further.