Strike Industries Cobra Billet Trigger Guard for AR15

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Make Your Rifle Stand Out With SI’s Cobra Aluminum Billet Trigger Guard

The Strike Industries Billet Trigger Guard adds a unique skeletonized look to your AR-15. It features a glove-friendly design, with eye-catching characteristics that will not only make your rifle stand out but will also provide reliable protection to prevent accidental trigger operation.

It is constructed from lightweight Aircraft-grade aluminum for long-lasting durability and hard coat anodized for extreme wear and corrosion resistance.

Designed For Safety & Rapid Re-engagement

The Strike Industries Billet Trigger Guard is designed with a built-in “hood” that provides a hard index point off the trigger for safety and a convenient rest that is optimally placed for rapid re-engagement. The convenient rest helps create a more comfortable shooting experience while allowing you to swiftly go back to your shooting position when you need to.

It also retains the “fang” feature from SI’s popular polymer trigger guard to provide cleaner and quicker magazine reloads.

NOTE: Will not fit Anderson MIL-SPEC lower receivers without modification.


  • Functions as safe trigger finger index rest
  • Magazine reload assist; cleaner, faster reloads
  • Lightweight
  • Available in Black, Blue, FDE, and Red finish!


  • Material: Aircraft-grade aluminum
  • Weight: 0.5 oz.
  • Width:
    • Min: 0.438″
    • Max: 1.32″


  • AR-15 and AR-10

Products available on this page:

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.

Strike Industries Warranty

How to return a defective item:

  1. BEFORE returning any products, please visit the CONTACT US section to complete and submit the “Return for Refund/Exchange” form to receive an RMA (Return Merchandise Authorization) containing your name, shipping address, phone number, email, and reason for the return (including, if applicable, information about the firearm, ammo, and usage environment for defective returns). Please include a copy of the receipt if possible as well.
  2. Once the RMA form has been processed, Strike Industries will provide a return shipping label for the refund or exchange of the product, including the shipping charges for non-expedited traceable shipping methods.
  3. Wrap the item with sufficient padding and place it in an appropriate box or bubble mailer for shipping.
  4. Ship out the package along with placing a printout of the RMA form we provided inside the box.
  5. All processed and approved refunds will be applied to the credit card used during the original purchase. You should allow one to two billing cycles for the refund to appear on your statement.
  6. Arrangements for a defective exchange or return must be made within one year of the warranty period, starting from the date the order is received. RMA numbers are valid for 14 days from the issue date. All packages received without an RMA number will be refunded, however, an automatic 20% handling fee ($2 minimum) will apply.
  7. If the product was purchased from a 3rd party, Strike Industries provides no refund but only an exchange option.

Contact Details:

  • Telephone: 714-557-9831

Disclaimer: Manufacturer’s warranty is subject to change without prior notice.

Customer Reviews

Based on 2 reviews
Great trigger guard

i have these on every build, love the look and function, this one as others have said does not quite fit in milspec. holes are off just a tad. i couldnt get all screws in properly, but managed close enough

John Smith
Solid, but didn’t quite fit all the way

I put this trigger guard into my Aero AR-15 Lower, and it was a very tight squeeze. It took me over 10 minutes to hammer it into place. I also could only get one of the screw sets to go in, as the other set wasn’t aligned properly. I put in the rear screws, but the forward screw holes seem to be a tiny bit too far forward.
Not 100% sure if this is the fault of the lower, or this trigger guard. But it’s tight enough that it will not budge a millimeter if it gets dropped or something, even with only half the screws in.
So I think it’s a solid product, but it may not fit your lower 100% correctly, I can’t say.