Description
The FAB Defense Gradus is a stubby angled foregrip built to bolt straight onto M-LOK slots, no Picatinny rail adapter needed. It sits low and tight against the handguard, which keeps your build clean and snag-free while giving your support hand something solid to drive against. The whole grip is wrapped in a multi-textured rubber overmold that stays tacky whether your hands are sweaty, cold, wet, or dusty, so you keep the same positive purchase in just about any conditions you'll run into.
Why the Gradus Angle Works
What sets the Gradus apart from a dead-vertical foregrip is the slight rearward lean. That reduced angle lets your wrist sit in a more natural position, which cuts down on the arm and wrist fatigue you feel after a few hundred rounds or a long day at the range. It's a versatile little grip too. You can run it as a thumb-over-bore or C-clamp support, choke up on it for a stubby foregrip hold, or use it as a hand stop to index your reach every time.
Building With the Gradus M-LOK Grip
The core is reinforced polymer with the rubber molded over the contact surfaces, so it's tough enough to take abuse without adding real weight to the front of your rifle. It plays nicely with the usual crowd of modern sporting platforms running M-LOK handguards, from AR-15 and AR-10 carbines to plenty of other setups. Folks with larger hands and glove wearers tend to appreciate the shape, and it's compact enough that it works just as well for tighter, close-quarters style handling.
FAB Defense has been building tactical gear for military and law enforcement use for years, and the Gradus line reflects that field-tested approach to comfort and durability. If you've been running a bare handguard or fighting with a foregrip that puts your wrist at a weird angle, this is a simple, affordable swap that makes a noticeable difference in how your rifle feels in the hands.
Key Specifications
- Manufacturer: FAB Defense
- Model: Gradus M
- Manufacturer Part Number: FXGRADMB
- UPC: 7290111586682
- Color: Black
- Mounting: Direct M-LOK attachment
- Grip Type: Angled stubby forward grip
- Grip Angle: 15 degree reduced angle
- Construction: Reinforced polymer core with textured rubber overmold
- Compatibility: AR-15, AR-10 and other M-LOK equipped platforms
- Country of Origin: Israel
What’s Included
- FAB Defense Gradus M-LOK angled forward grip
- M-LOK mounting hardware
Frequently Asked Questions
Does the Gradus mount directly to M-LOK without a rail adapter?
Yes. The Gradus M attaches straight to M-LOK slots on your handguard, so there's no need for a Picatinny rail section or extra adapter. It sits flush against the handguard for a low-profile, snag-free setup.
What's the point of the angled grip instead of a straight vertical foregrip?
The Gradus uses a slight 15 degree rearward angle that keeps your wrist in a more natural position. That reduces arm and wrist fatigue during longer range sessions or drills. It also lends itself well to thumb-over-bore and C-clamp holds.
Will the FAB Defense Gradus fit my AR-10 or other larger platform?
As long as your rifle has an M-LOK compatible handguard, the Gradus will mount up. It's commonly used on AR-15 and AR-10 builds, and works on many other modern sporting rifles running M-LOK. Just confirm your handguard uses M-LOK slots before ordering.
How does the rubber texture hold up in bad weather?
The multi-textured rubber overmold is designed to stay tacky in cold, hot, wet, or dusty conditions. It gives you a consistent, positive grip even with sweaty or gloved hands. That's one of the features users tend to point to most.




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