STNGR Ultimate HWK® M-LOK Handguard Bundle

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STNGR M-LOK Rail Cover Panels – Gecko and Cyclops

STNGR Cyclops 3-Slot M-Lok Rail Cover Panel (3-Pack/Black)


AT3™ M-LOK Rail Section - 5 or 7 Slots - Made in USA - 7 Colors Available

AT3™ M-LOK Rail Section – 5 Slot - Black


AT3™ M-LOK Rail Section - 5 or 7 Slots - Made in USA - 7 Colors Available

AT3™ M-LOK Rail Section – 5 Slot - FDE


STNGR HWK AR-15 Handguard Bundle

Based on the number of 5-star reviews alone, you could say no other handguard on the market comes close. Reviews don’t tell the whole story though. It ain’t just about looking pretty — our s**t works when you need it the most. That’s why STNGR handguards are trusted by everyone from SWAT teams to competitive shooters. To be fair, your gun will still look pretty.


1) HWK Free Float Handguard (15.25″, 13.5″, 10″ or 7″)

5) Allen Key

2) 1018 Steel Barrel Nut

6) 1 3/16″ Crowfoot Wrench (1/2″ Drive)

3) Proprietary Anti-Slide Plate

7) (2) 5-Slot M-Lok Picatinny Rail Sections

4) (2) 10×32 Allen Bolts

8) .75″ Low Profile Gas Block

  Download the checklist here


The HWK, with its simple non-timing barrel nut, was engineered to be the easiest handguard to install on the market.

Perfect for first time builders and seasoned gunsmiths alike. No hassle, no frustration, no previous experience required. Simple.

Check out the installation guide here 


The HWK solves a problem that plagues most rails on the market – handguard sliding.

With our proprietary anti-slide plate that interfaces with a groove in the barrel nut, the HWK is locked to the upper – ensuring that it won’t go anywhere.


Forward sliding is a problem that’s solved with the anti-slide plate, but what about lateral rotation?

The HWK has built in anti-rotation tabs to prevent any kind of rotation.

By combining the anti-slide plate and anti-rotation tabs, the result is a rock solid fit – no matter how hard you run it.


Aggressive machining cuts throughout the rail serve 3 critical functions:

  1. Significantly slash excess weight
  2. Increase ventilation to cool both your handguard and barrel
  3. Steep angles prevent fingers from sliding into grooves


  • Handguard Material: 6061-T6 Aluminum
  • Handguard Finish: Type III hard coat anodized black
  • Barrel Nut Material: Steel
  • Handguard Weight

    • 7″: 6.03 Oz
    • 10″: 7.47 Oz
    • 13.5″: 9.22 Oz
    • 15.25″: 10.15 Oz
  • Inside Diameter (ID): 1.35″
  • ID + Top Gas Tube Channel: 1.70″
  • Compatibility: AR-15 Uppers – Billet Uppers May Require Modification


STNGR proudly stand behind its products with the SWARM Lifetime Warranty. If you have any issues happen that aren’t caused by normal use, they’ll send you a replacement – for free. It’s that simple.

You also get free returns and exchanges for 60 days (we pay for return shipping).

Read the full warranty here.


Here is a checklist you can use to see what other installation tools you may need. Get the checklist here.


Have more questions like “What is is difference between the HWK, RPTR and VYPR?”. Check out the FAQ here.

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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.

SWARM Warranty

STNGR USA products are warranted to the *original purchaser against any defects in materials and workmanship for the lifetime of the product. STNGR USA has sole discretion to determine manufacturer’s defects. The Swarm Warranty policy does not cover loss or theft. Cosmetic damage or changes that leave the product still in a functional condition, damage from improper use or intentional damages are also not covered by the warranty and will not be accepted. Items that have been modified or in any way altered from the original condition are not covered by the Swarm Warranty.

Eyewear lenses are fully covered by a 1 year scratch warranty. If you scratch or damage your lenses within 1 year of purchasing, STNGR will send you up to 1 pair of replacement lenses. This warranty only applies to the original purchase and not subsequent replacements. You also qualify for **20% off replacement lenses for life. Email  to receive your discount code.

Eyewear Lost & Broken Replacement Discount

Sometimes life happens. If you ever break or lose your sunglasses, no matter the reason, you’re covered with a hefty discount. Shoot STNGR an email at and you’ll get you hooked up with an exclusive 30% discount on future replacements.

*The original purchaser may have purchased from any of the following sources: Directly from STNGR ( or or from an authorized dealer, distributor, or retailer. The original purchaser may be asked to show proof of purchase.

**The 20% discount is subject to replacement lens availability.