Stern Defense HG4 MOD4 M-LOK Handguard - 4"

Manufactured by Stern Defense
SKU: 002-SD-HG4-MOD4-M
MPN: 002-SD HG4 MOD4-M
Manufactured by Stern Defense
1 Review

In Stock

NOTE: Limit 5 per household. Quantities exceeding 5 will not allow checkout.

We are fully staffed and processing orders. Standard orders are shipping in approximately 3 business days or less. FFL orders take approximately 7 business days if you can provide us an actively receiving FFL location.



From start to stock, every build or upgrade needs a solid, cool looking handguard. One that’s comfortable, light weight and strong is a hard combination to master. Stern Defense offers this 4” free float M-LOK handguard with excellent ergonomics in a lightweight configuration. This handguards M-LOK compatibility guarantees fitment with all your favorite attachments. Features a secure clamp on mounting system to guarantee the handguard remains in place during heavy fire, shooting prone from a bi-pod and even full auto fire. That is quite the feature list already! Better still, these handguards are Machined from 6061 aircraft grade aluminum, hard-coat anodized for longevity and durability and have quick disconnect swivel holes. This is a no compromises do it all handguard, perfect for your new build. 

  • 6061 aircraft grade aluminum
  • M-LOK handguard
  • Hard-coat anodized
  • Sturdy construction
  • Light weight design
  • Length 4 inches
  • Smallest inside diameter 1.435 inches
  • Made in U.S.A

With pistol caliber AR-15s on the rise in popularity, Stern Defense is leading the way with innovative components to convert your standard AR lower to be compatible with pistol magazines from Glock, S&W, and even Beretta in a variety of calibers. Stern Defense is located in Missouri and dedicated to helping you build the ultimate pistol caliber carbine.
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Accessory AttachmentM-LOK
FinishHardcoat Anodized
Gas System LengthPistol
Handguard Length4.00 in
Inner Diameter1.435
MaterialAluminum - 6061-T6

Ratings & Reviews

1 review

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Nice Price, simple, efficient, compact.

by -

I love this little handguard. Easy install great looks and stays true with built in alignment tabs 😎👍