Description
The A3 Industries Modular Vertical Foregrip with integrated hand stop solves a problem a lot of compact builds run into: not enough rail to fit both a grip and a hand stop. This model pairs a 2.75" HK-grooved aluminum grip with a Picatinny base that only eats up about 2.25 inches of 1913 rail, so it drops nicely onto shorter handguards where space is at a premium. The grip is machined from 6061 aluminum and finished in a low-gloss black anodize, while twin mounting screws and a radiused mount give it a solid, no-wobble feel once it's torqued down.
What Sets the A3 Modular Vertical Foregrip Apart
The base sits at a 100-degree angle, meaning it cants forward ten degrees past vertical. That slight forward lean does two things: it opens up clearance between the grip and a curved magazine, and it gives your wrist a more relaxed, natural angle when you're driving the gun. The integrated hand stop keeps your support hand from creeping forward, which is exactly what you want on carbines, PDWs, and short-barrel setups where hand placement matters.
Built to Take a Beating
A3 leaned on stainless hardware and Grade 8 fasteners here, so the grip holds up to hard use rather than shaking loose over a range session. Folks who run these tend to mention the lack of play once installed and the fact that the forward cant genuinely helps with control during faster strings of fire. It's a compact, purpose-built piece rather than a bulky add-on.
A Grip That Grows With Your Setup
The two-piece modular design is the real selling point. This base accepts A3's other aluminum grip options, so if you decide the 2.75" grooved grip isn't your favorite feel, you can swap to a shorter stubby, a knurled grip, or a Grenade-style grip without buying a whole new mount. Made in the USA, it's a smart pickup for anyone dialing in a compact rifle, carbine, or sub-gun that needs both a grip and a hand stop in a tight footprint.
Key Specifications
- Manufacturer: A3 Industries
- Manufacturer Part Number: VFG-169
- UPC: 810151870632
- Mount Type: Picatinny (1913)
- Grip Length: 2.75"
- Grip Style: HK Grooved
- Grip Angle: 100 Degrees (90+10)
- Grip Material: 6061 T6 Aluminum
- Finish: Low-Gloss Black Anodize
- Rail Space Required: 2.25"
- Integrated Hand Stop: Yes
- Fasteners: Stainless / Grade 8
- Color: Black
- Country of Origin: Made in USA
What’s Included
- Modular vertical foregrip base (Picatinny)
- 2.75" HK grooved aluminum grip
- Mounting hardware
Frequently Asked Questions
How much rail space does the A3 modular vertical foregrip need?
The Picatinny version takes up about 2.25 inches of 1913 rail. That compact footprint is the whole point of this grip, since it lets you fit both a vertical grip and a hand stop on shorter handguards where a full-size setup wouldn't work. Just measure your available rail before ordering to be sure you've got the room.
Can I swap the grip out for a different style later?
Yes. This is a two-piece modular design, so the base accepts A3's other aluminum grip options. You can move from the 2.75" HK grooved grip to a shorter stubby, a knurled grip, or a Grenade-style grip without replacing the mount. It's a nice way to fine-tune the feel over time.
Why is the grip angled forward instead of straight up and down?
The base is set at 100 degrees, or ten degrees forward of vertical. That slight cant gives your wrist a more natural, relaxed angle and creates extra clearance between the grip and a curved magazine. Owners often note it feels more comfortable during faster shooting than a straight vertical grip.
What tools do I need to install it?
These A3 grips are a two-piece design and typically call for a 1/2" deep socket to snug down the mounting hardware. Make sure the firearm is unloaded before you start, and torque the twin screws evenly for a secure, wobble-free fit. Installation is straightforward and hardware is included.





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