AT3 M-LOK Rail Covers – Retro & Old Glory Design – 2 Colors Available

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AT3™ M-LOK Rail Section and QD Sling Mount Combo


Solid Construction M-LOK Rail Cover That Installs Directly to M-LOK Handguards

The AT3 M-LOK Covers are lightweight, slim, single-piece construction designed to work with polymer or aluminum handguards.  We include all the mounting hardware you need, so installation is simple.  Choose whichever design suits you best.  Old Glory displays the stars and stripes spanning 3 M-LOK sections on your handguard, while Retro provides extra grip in a classic checkered pattern.  Whichever way you go, you’re getting a quality, American-made M-LOK Rail Cover that will keep your hands safe while you’re running your favorite gun.  Plus, they make great companions to the SPEAR M-LOK Handguard.

Designed to Enhance Grip and Add Protection Against Heat

Each design provides extra texture to enhance grip and control.  Heat resistant polymer construction protects your hand from the heat coming off the barrel.  If you live in a desert environment, the constant sun will make your handguard heat up all on its own!  But, after installing these rail covers to your preferred hand position, you won’t have a problem.  A 3-pack will give you plenty of coverage over the 3, 6, and 9 o’clock positions on an M-LOK handguard, but we also offer singles for odds and ends.


  • Mounts to polymer, carbon fiber, and aluminum M-LOK handguards
  • Requires 3 M-LOK slots
  • Made from a heat resistant polymer
  • Dimensions: Length 4.7″, Width 0.6″, Thickness 0.1″
  • All mounting hardware is included
  • Available in Single Pack and 3-Pack
  • Slim profile
  • Made in the U.S.A.

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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 22 reviews
Michael Light
Look great, but...

I added these to my aero enhanced upper, which is wider to accommodate an internal suppressor or in my case, a KVP XL Linear comp, but the screws are too long and I had to cut the screws in order to not damage the comp. Not ideal, it manageable and the end result looks good.

Aaron DeLaney
Great scales

Best for the buck, i did a little modification by removing the extrusions on the back to fit nicely in a slot that wasn’t MLok

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

Alexander Ghafourian

Just what i needed to cover my rail guard around key handling areas.

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

Richard Carmona
Go Texas

Glad i got it adds grip.
And looks good.

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

Nice stuff! Better than Slate Black Ind.

These are equal in fit and quality to a set of Slate Black Industries' Slate Grips I have, but with a lower price tag. Best of all, these are sold by a company whose customer service is some of the best on the net. To date, not one call I've made or email sent to Slate Black has ever been answered/returned. Ever. Conversely, I've never had those problems at AT3. Kudos, AT3! Thank you for all of the good work you do.

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