$95.99
6 in stock
Online inventory may differ from in-store availability.
Quick turnaround so you get your gear sooner.
Trusted checkout with industry-standard protection.
Keeping Traditions Alive Since 1953
Secure Transactions provided with 
Building or upgrading an AR upper and need a handguard that will actually hold its zero session after session? The Stern Defense SD MOD4 in the 8 inch length is a free float M-LOK rail built around a clamp on mounting system, so it locks onto the barrel nut and stays there instead of working itself loose after a few range trips. That kind of stability matters whether you're running a lightweight carbine setup or something that sees a lot of rounds downrange.
Stern Defense machines this handguard from 6061 aircraft grade aluminum and finishes it with a hard-coat anodized coating, which is the same combination you'll find on a lot of higher end rails but at a price that doesn't sting as much. The clamp on design is worth mentioning again because it's really the heart of this handguard's reputation. It's rated to stay secure through sustained full auto fire and shooting prone off a bipod, situations where a lot of cheaper free float rails tend to shift or rattle.
The M-LOK slots run the length of the handguard so you've got plenty of real estate for lights, grips, or a bipod mount without needing extra adapters. Stern Defense also added quick disconnect swivel holes on this model, which is a small feature but a genuinely useful one if you like running a sling without extra hardware eating into your M-LOK space.
Everything you need to mount this handguard ships in the box: the barrel nut, shims, and bolts, so there's no scrambling for extra parts before you can get it on your rifle. It's built to fit standard AR-15 profile barrels, and the 8 inch length hits a nice middle ground for pistol builds and shorter carbine configurations where you still want enough M-LOK space to mount a light or foregrip. Owners of the MOD4 line consistently point to the alignment tabs and overall fit as one of the easier handguard installs they've done.
Yes, this handguard ships with everything needed for installation, including the barrel nut, shims, and mounting bolts. You won't need to source any extra hardware to get it on your upper.
That's the main selling point of the MOD4 line. The clamp-on mounting system is designed to keep the rail locked in place even through sustained full auto fire or shooting prone off a bipod, so it holds up better than a lot of budget free float rails.
Yes, it runs M-LOK slots along its length, so you can attach lights, foregrips, bipods, or other M-LOK compatible gear directly without adapters. There's plenty of usable rail space at 8 inches for most standard setups.
An 8 inch handguard works well on both pistol length and shorter carbine builds, especially when you want room for a light or grip but still need clearance near the muzzle. Just double check your barrel length and any muzzle device to make sure everything clears properly before final assembly.
| UPC | 850001176194 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 002SDHG8 |
| Barrel Length | 8" |
You must be logged in to post a review.
Reviews
There are no reviews yet.