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3/4" (.75") Gas Block with Top and Bottom Picatinny Rails - Aluminum by AT3 Tactical

6 reviews

You will receive fast, free shipping for all orders over $35

Shipping cost is $5.50 for orders under $35. We ship with UPS and USPS. 

Most orders ship out within 24 hours

You will receive tracking information immediately at the time of shipment. To expedite shipping, we may ship your order from multiple warehouses.  

We have a 90-day no-hassle return policy. We pay return shipping.

If you need to request a return, contact us at and we will send you a return label

After 90 days, defective items will still be covered under the manufacturer’s warranty, where applicable.

Please refer to the product listing for warranty details. If you have specific warranty questions, contact us at We may direct you to pursue your warranty claim directly with the manufacturer.

Your satisfaction is our #1 priority

If you're dissatisfied with your purchase, in any way, please contact us at - we will do our best to make it right.

Product Options


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

  • 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)
  • 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

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